WhiteCoat

Archive for the ‘Medical Topics’ Category

Great Stocking Stuffer

Wednesday, December 15th, 2010

During my last shift, seven of the first eight patients that I treated had injuries from falls on the ice. Elbow fracture, elbow dislocation, two hip fractures, coccyx (tailbone) fracture, depressed skull fracture, a few back pains … and a partridge in a pear tree.

When it snows out, the snow is slippery. When you compress snow by walking or driving over it, the snow stays slippery. When the sun comes out and turns the top layer of snow kind of a clear color, the snow still stays slippery. If you walk on any of these substances, your feet will slip.

Even Ms. WhiteCoat slipped on the ice and fell on her hip when she was getting groceries out of the truck. Busted her cell phone all to smithereens, but at least she’s OK.

So here’s my suggestion for a good stocking stuffer: Shoe Cleats.

I’m not going to give you any links because I don’t want to be accused of a conflict of interest by the FTC or whatever other blogger police are out there. Go online and use your favorite search engine that doesn’t track all of your online movements [cough cough Scroogle cough hack IX Quick] and do a search for “shoe cleats” or “traction cleats” or “fishing treads.” Some sporting goods stores even have them. Then buy some and put them in your family’s stockings or even give them as an early present – especially your independent elderly family members.

They may look dorky, but the $20 you spend on them is a heck of a lot better than the $20,000+ for surgery and the weeks in rehab that will be needed if someone falls and busts a hip.

Trust me. The operating rooms are overbooked and the ortho docs are talking about all the new cars and vacation villas they’re planning to buy.

Too Much Information About AICD Function

Sunday, December 12th, 2010

A 350+ pound man comes in for evaluation after his cardiac defibrillator discharged.

When defibrillators discharge once, there isn’t a lot to do with the patients. The defibrillator did what it was designed to do – sense and terminate an abnormal cardiac rhythm.

When there are multiple shocks, that is a different story. Multiple things to worry about including persistent abnormal rhythm, MI where ST changes are being sensed as an abnormal rhythm, lead fractures, loose connections, and electrolyte abnormalities – to name a few. Patients with multiple defibrillator discharges need their defibrillators interrogated and usually need to be admitted to the hospital.

By the way – All you docs out there know what to do if you use a magnet to temporarily deactivate an AICD in morbidly obese patients and it doesn’t work because of all the adipose tissue? And what do you do to keep the pacemaker function of an AICD working once the magnet does deactivate the AICD? Check in the comments section for the answers.

Fortunately, in this patient there was only one shock and we didn’t have to worry about bad things. We did an EKG just as a screen, but nothing else. Then we let the patient’s cardiologist know what happened and we sent the patient home.

Buuut … the thing that was memorable about this patient was how he described what he was doing when his defibrillator discharge. To wit:

“I was mounting my old lady when all of a sudden ‘BAM!’ Damn near knocked me off the bed when it went off.”

Well, cowboy, thanks to modern technology, you’ll live to ride another rodeo.

Yeeehaw!

Stomach Flu

Wednesday, December 8th, 2010

There is a run on gastroenteritis in our area.

Lately, it seems as if about half of the patients coming into the emergency department have some combination of nausea, vomiting, diarrhea, and abdominal cramps. School attendance has dropped by 15%.

I cringe when people call gastroenteritis the “stomach flu.”  You can call it whatever you want, but just because the name that you choose to give to your symptoms has the word “flu” in it does not mean that it will get better with Tamiflu. Two different diseases. So demanding Tamiflu for your vomiting and diarrhea will do just about as much good as ingesting artichoke leaves. Only the Tamiflu will set you back about $100. Tamiflu only works for influenza. It does not work for “stomach flu” gastroenteritis.

The most common symptoms in influenza are fever, cough, sore throat, headache and body aches. Yes, some people also have vomiting and diarrhea with influenza, but those symptoms rarely occur in the absence of the others.

Plenty of fluids, medications such as Zofran and Imodium to relieve symptoms, and a bland diet are about all we can do until the disease runs its course. The symptoms usually last a few days and then resolve. Most often, outbreaks of gastroenteritis are caused by Norovirus, but other viruses may also be to blame.

The WhiteCoat household didn’t escape the wrath of the stomach flu this year. Two of my four kids have been home yesterday and today. Even though I felt bad for her, it was kind of funny when my 7 year old daughter came into my office yesterday and made the following statement:

“Dad, I don’t mean to alarm you, but I have pee coming out of my butt.”

No, honey, that’s diarrhea. Let’s go get you some Tamiflu.

Don’t TAZE Me, Bro!

Tuesday, October 12th, 2010

I thought this post might be of interest because it isn’t something that is seen every day, but it is something that ED physicians will likely have to deal with sooner or later.

There is one police officer in our area who has the “Golden TASER Award.” If you look at him crosseyed, you’ll be down on the ground involuntarily twitching and he’ll be standing over you squeezing the trigger of that yellow gun.

Not really, but he always seems to have the misfortune of getting into altercations with perpetrators when I happen to be working in the emergency department. Aaaaand … he has a TASER and he’s not afraid to use it.

Before getting to the point of the post, I am clearly in favor of TASERs. No question. If it comes between jolting someone and going mano-a-mano, TASER wins every time. Police officers have enough to worry about without wondering whether they’re going to get sucker punched when they’re not looking. Think that the shock is harmful to your health? Do what the officer tells you and you won’t have to worry about being shocked. Wish we could have them in our emergency department.

This post isn’t about trying to convert you to a TASER user, though. It’s about what to do after the TASER has been deployed.

When a TASER is fired, two weighted barbs attached to long insulated wires shoot out of the unit and are supposed to implant in the subject needing restraint. See the pictures.

After hitting the target, it is not uncommon for TASER spikes to either stick in the clothing, partially implant, or be pulled out.  Failure of the barbs to implant can present a problem for the police officer, since the TASER doesn’t work as well from a distance when both barbs don’t implant. Even after the TASER has been shot, it can still be used as a contact “stun gun.”

Assuming that the device works as intended and both barbs implant in the skin, most of the time, the barbs can be “plucked” out of the skin by bracing the surrounding skin with the palm of one’s hand and then quickly pulling up on the spike. One of the police officers compared removing the barbs to ”plucking a chicken.” However, sometimes the barbs become implanted underneath the skin and can’t be removed manually. So what is an ED physician supposed to do?

I have had success doing the following:
1. Anesthetize the area at the site of attachment. I use an insulin syringe with 1% lidocaine.
2. Insert an 18 gauge needle along the side of the barb with the bevel of the needle facing the barb.
3. Advance the needle about half a centimeter.
4. Pull out the needle and the barb together at the same time.

If this doesn’t work, the 18 gauge needle is sharp enough to make a 1mm track directly alongside the barb. After making the track, advance the barb slightly and turn the barb 90-180 degrees to disengage the pointed end from the tissue below and do the “chicken plucking” thing pulling the barb through the middle of the track. 

Obviously this isn’t a scientific study, but between these two techniques, there hasn’t been a barb that has beaten me.

If you have any other suggestions for removing embedded TASER barbs, I’d like to hear them. Leave a comment below.

Death by Wallpaper, Medical Malpractice, or Both?

Thursday, October 7th, 2010

Hello all, it’s ERP from Erstories.net. Haven’t done a post here in a while so I thought I’d put up one on a subject I find pretty fascinating.

Having read Dr Grumpy’s fascinating historical posts and being an avid history buff myself, I thought I would give one a try.  I don’t have his encyclopaedic knowledge of military history oddities, but remember reading a great medical-historical story a while back and thought I’d share it with you.

In 1821, “Le petit Caporal” (The Little Corporal) died in Longfellow House on the remote island of St Helena.  Of course The Little Corporal (also known as Boney by the Brits) was Napoleon Bonaparte. Having finally lost at Waterloo to Arthur Wellesley (the First Duke of Wellington) and Coalition forces in 1815, Napoleon was finally banished to the island where he eventually would die 6 years later.   There has been nearly endless amounts of speculation as to the cause of his death since the 1960′s (and likely shortly after his death as well) when sentimental souvenirs of the dead Emperor, locks of his hair, were analysed.  High levels of Arsenic were found leading to historians to question the original cause of death from a cancerous gastric ulcer (as recorded by physicians who performed his autopsy).

Napoleon famously stated in his will that he had been “murdered by the British Oligarchy”. Suddenly, this actually seemed possible.  In a way, they may have, albeit unintentionally – but more on that shortly.   Arsenic is a deadly poison used for centuries to commit murder – but it also had many legitimate medical and commercial uses.  Namely, elemental aresnic is grey  but compounds of it can produce a brilliant green dye – used for centuries until synthetic green dyes were invented at the early part of the 20th century.  Medically, it had been used for a whole host of ailments (and still occasionally is), and when given in small quantities, is not so dangerous and has some positive effects.  Most commonly it was used for psoriasis,haemorrhoids, breathing ailments,  it still can be used in treating certain kinds of leukaemia and trapanosomal infections).  In fact, finding some arsenic in his hair likely would not be that unusual given that many people were prescribed arsenical treatments in the early 19th century.  However, his levels were quite high so some enterprising people set out to prove or disprove this notion.

An interesting phenomenon had been previously discovered – one that explained the notion of “The sick room”.  This was a room that when one spent time in it, felt ill (although the term also means a room where you put people who are sick).  I guess it could have been from the general odouriferousness of one’s company back then, but a better theory is that of Arsine vapour.  When subjected to certain chemical reactions, solid arsenic compounds can be turned into toxic gas (notable trimethyl and dimethyl arsine). This was used to deadly affect during World War I in the form of gas warfare. In fact, the British developed a form of it that they called Lewisite – hence the reason that the antidote for Arsenic poisoning is called BAL or British Anti-Lewisite.   Anyway,  we come to the idea of death by wallpaper.

Wallpaper made in the 18th and 19th centuries often contained toxic compounds to produce the brilliant colours favoured by those with the $$ to decorated their houses with it.   Bright green was created by arsenic compounds (like copper arsenite).  This was normally no big deal (unless you ate the paper) in temperate climates.  However, under certain environmental conditions – notable those with high levels of moisture, organisms can grow in the walls and wallpaper. These moulds can process the arsenic and turn it into arsine gas.   As this accumulates in a small room that may not have good ventilation, those in it can become ill.  This actually has a name – Gosio’s Disease.  In the 1980′s a researcher discovered something amazing; an actual sample of the wallpaper that was in the Longfellow House on St Helena.   A lady in the UK had a scrap book that had been handed down to her through the generations – it catalogued someone’s trip to St Helena in 1823, and amazingly contained a scrap of wallpaper that this souvenir hunter had taken off the wall of Napoleon’s drawing room.   This paper was analysed and found to contain Scheele’s Green pigment – copper arsenite.  The researcher in charge now had evidence as to how Napoleon could have accumulated the arsenic.  He visited the island to confirm his suspicions.    Tiny 6 x 8 mile St Helena is an extremely remote island in the south Atlantic, 700 miles from the nearest land, 1000 miles from Africa and 1000 miles from South America.  It is tropical and  mould of the type that can convert copper arsenite to arsine gas thrives there.   The area of Longwood House is extremely damp and in fact every few years the wallpaper there has to be replaced due to moisture-related damage. Thus, he was not INTENTIONALLY poisoned with arsenic – but rather the Brits who had manufactured the paper (much less dangerous in the British Isles) had unknowingly contributed to the Little Corporal’s demise!  Now, one may ask, how come the other people in his house did not all die from this?  Well, the fact is that as Napoleon aged, and as authorities grew more and more fearful that he might escape, he was largely confined to his drawing room and bed room.  He often kept the shutters closed.   He wrote memoirs and kept to himself.  The others in the house frequently left and thus were not so exposed (although they were noted to again describe a “bad air” and felt ill when they spent prolonged periods at Longwood House).

This does not completely prove that Napoleon died from arsenic poisoning – he probably died WITH arsenic poisoning.  It may have hastened his death but likely did not cause the actual demise.   It certainly helps shoot the theory to pieces that his staff or others intentionally poisoned him.  However, the final cause of death is another interesting story.   From the autopsy report and his known constant upper GI complaints, Napoleon was clearly suffering for a while with gastric ulcers.  Ultimately one became cancerous (as discovered at autopsy) and pushed him down the inevitable road to the great Arc de Triomphe in the sky.  As often is the case in the era before modern medicine, treatments for ailments were often more dangerous than the ailments themselves! Doctors really did unknowingly hasten death (maybe a good thing in some cases), at times killing people who might have otherwise recovered had they been left alone!  Toxic compounds, elixirs, poultices, etc were frequently given – often with the idea to induce vomiting and diarrheoa to “purge” the system of the illness.  Of course this caused at the very least volume depletion and dehydration, but also other problems.   Notably, potassium is lost when one has severe diarrhoea.    The Emperor was in fact treated with tartar emetic and calomel which is made of highly toxic mercuric chloride.  The day before he died, he was given a huge dose of this stuff.  Additionally, he was treated with a Quinine-containing substance called “Jesuit’s Bark”.  This, in addition to arsenic compounds that he had been unintentionally accumulating, cause QT prolongation (a measurement on the EKG between the Q and T waves).  QT prolongation is also caused by electrolyte imbalances such a low potassium and magnesium (both caused by the purgatives he was getting). In this setting,  one can go into the arrhythmia Torsades De Pointes (Twisting around the point), and die very rapidly.

Thus there is good evidence Ole’ Boney would have eventually died from cancer (probably would have just wasted away, unable to eat when the mass caused an obstruction), but was actually killed by both his wallpaper and medical malpractice. Albeit both unintentional.

I originally read about his story in a fascinating book called The Elements of Murder by John Emsley.  He is a Cambridge-based Chemist who talks about the historical use of toxic chemicals to comit murder. There is a whole chapter on all the Arsenic killers as well as ones on Mercury, Thallium, Copper, and others.  I highly recommend it.

Additional references include

“David E. Jones and Ken Ledingham, ‘Arsenic in Napoleon’s wallpaper’, Nature, 1982,. 299: 626-7.”  (this is the researcher who found the wall paper and travelled to St Helena in the 80′s)

This Article describes the possible final cause of the Emperor’s Death by Torsades.

What’s The Diagnosis #11

Monday, August 23rd, 2010

A 55 year old patient comes in with itching to her scalp – so bad that it is setting off her migraine headaches.

She’s been to her family physician twice already and was first prescribed antibiotics for a scalp infection, then was prescribed steroid lotion for the inflammation. She was feeling worse.

When I examined her, she had several bite marks to the base of her neck and over the ears. You could also see the dried hydrocortisone cream in her hair. Then I saw movement and I pulled out the insect pictured.

What is the diagnosis and what is the treatment?

UPDATE AUGUST 25, 2010

OK, you all are too smart. Head lice, it is.
I had never seen a live head louse before and had to look it up on the internet. I knew it wasn’t a bedbug and suspected it was a louse because of the couple of lice nits on the patient’s hair.
Treatment recommendations vary.
Shaving the head is a radical but curative approach.
The American Academy of Pediatrics recommends copious amounts of amoxicillin, then Augmentin if that doesn’t work just came out with an excellent clinical report on head lice last month (.pdf format).
Pediculicides (chemicals) such as “Quell,” “Nix” and “Rid” are still the mainstay of treatment according to this paper. Benzyl Alcohol also works well. While oils have been used to remove lice, the report states that their effect is not reproducible. Occlusive agents such as petroleum shampoos, mayonnaise, and herbal oils “have not been evaluated for effectiveness in randomized, controlled trials.”
A dessicator can be used to blow hot air on the lice to kill them – with good results. Using a blow dryer to try this at home will cause live lice to become airborne and spread all over your house. Don’t do it.

Poison Ivy – Son Of An Itch! (REPOST)

Saturday, June 19th, 2010

I got a request for information about poison ivy and decided to repost an article that I initially published a couple of years ago.
Links have been updated accordingly.

Dr. Ramona Bates put up a post on her Suture For A Living blog about poison ivy. I was planning on doing the same thing, but she beat me to the punch. Her post did more than scratch the surface, but since we’re just starting to see poison ivy creep into the ED lately (ooh I’m on a roll), I wanted to add a few things.

Blistering or a rash that is in a line suggests some sort of contact dermatitis – usually from a plant or something stationary. Imagine walking past a plant and the edge of the leaf dragging against your skin. If you look at the picture on Dr. Bates’ site, the man’s arm has blistering in a line that is typical of poison ivy exposure. Another example is here.

While touching someone else’s rash generally won’t give you a rash (poison ivy isn’t “contagious”) sometimes you can get secondary contamination from things that have come into contact with the poison ivy plants. If you were walking in patches of poison ivy, it is possible to transfer the plant resin to your hands when you take off your shoes. If you pet your dog after your dog walked through poison ivy, you can transfer the resin from the dog’s fur to your hands. Then if you itch your face with your contaminated hand, you may develop a rash on your face.

The chemical that causes the reaction, urushiol, isn’t easy to wash off. If you get to it in the first hour or so after exposure, soap and water may remove it. After that, it penetrates into your skin and binds to the proteins in your skin so that ordinary soap and water will have little effect in removing it.

Once you get the rash from poison ivy and start itching, treatment involves getting the chemical off your skin and relieving the symptoms.
Tecnu and Zanfel are commercial products that wash away the chemical urushiol from the skin. If you use them early enough, you can significantly lessen your symptoms, although they reportedly have some effect for several days after exposure. Store brand products may work just as well and are considerably less expensive. Interesting point from another site is that Tecnu was initially developed to remove radioactive fallout dust from the skin and is a distillate of gasoline. This site also states that other organic solvents such as rubbing alcohol may work as well as Tecnu for removing urushiol – when rinsed with copious amounts of water.
Ivy Block blocks the urushiol from coming into contact with the skin and actually absorbs some of the urushiol. Lather up before you go out into the bushes and you may save yourself from even getting the rash. Just remember to rinse the Ivy Block off and reapply if you’re out for more than 4 hours.
One trick I learned for any kind of a bad itch is to use an ice cube to do the itching. The ice won’t scratch (and therefore irritate) your skin and the cold will help to get rid of the itch. When you’re done, you just throw out what’s left of the cube. Repeat as often as you want.
Domeboro solution (or Burow’s Solution) will help take away the itch. Mixing the packet with a small amount of warm water to dissolve it and then adding cold water to reach the proper dilution will create a cool compress that will help relieve the itching even more.
Use of steroids to treat poison ivy rash of poison ivy is debated. Some people swear by them, some people swear at them. I’m in the latter category. I generally don’t prescribe steroids due to the incidence of “rebound” symptoms if they are discontinued early. In this case, “early” is considered less than 2 weeks. That’s right – the books recommend that someone be on steroids for two weeks if the steroids are used to treat poison ivy. Sometimes you need steroids if the symptoms are severe or involve the eyes. On the other hand, I have seen multiple cases of rebound symptoms when a patient’s primary care physician gives a patient a Medrol DosePak for mild symptoms, the patient runs out over the weekend, and then the patient comes to the ED worse than when they started.

If you still have questions, this is a fairly comprehensive article on poison ivy for non-medical types and here is an article from eMedicine for the more medically-inclined.

Remember: Leaflets three -> let it be. Berries white -> poisonous sight. [Picture credits here]

Aging Physicians

Thursday, May 13th, 2010

I came across a graph in AM News depicting how the physician population is aging.

Notice how the the distribution of physicians in 1970 (brown graph) was skewed toward younger physicians.
By 2008 (yellow graph), the number of young physicians is significantly lower than any other demographic – including physicians 65 years old and older.

The US population during that time increased from 203 million to more than 300 million.

The graph demographics don’t state whether the physicians are practicing medicine or whether they still even have licenses, so it’s tough to compare whether the amount of available care per patient is changing.

Oh, and for disclosure, the graph is from the AMA statistics, so according to some people that read this blog, the information is biased, comes from a shill organization organized by Phil Howard, and only represents the insurance companies, the Mafia, those Nigerian phone scam artists, and all those people who club baby seals to death.

But the thing that caught my eye about the graph was that if the older physicians who are still practicing get fed up and retire, the country stands to lose a substantial proportion of its physicians. The numbers on the graph put the number of physicians 65 and older at around 200,000 and the number of physicians 55-64 at a little less than 200,000.

One of the other things that bothers me is that, according to this graph, the country doesn’t seem to be replacing older physicians with younger ones.

The population is growing, not shrinking.

What would a decline in younger physicians mean for future generations of patients?

Mini Ultrasound – Fad or Necessity?

Sunday, March 21st, 2010

Siemens Signos

I came across this news video about pocket ultrasounds (see screen grab from video above), alleging that they are “revolutionizing” emergency medicine.

The units are small, but, at a weight of almost 2 pounds, they appear to be too bulky for carrying around in a pocket. Definitely small enough to grow some legs if they’re left in a room somewhere, though.
According to this article, the images they produce aren’t as good as those from traditional portable ultrasounds, and with the small screens, I wonder how well they would be at picking up small abnormalities on scans.

Aside from saving the trip out of the room to wheel in the portable ultrasound machine, I’m not sure what the advantage in having them is.

Oh, and they cost $4000 each.

The video shows the Siemens Signos. Siemens is currently marketing the Acuson P10, but I found a link about the same model on Medgadget from 2007. And I haven’t heard much about pocket ultrasounds in the past 3 years.

So are “pocket” ultrasounds like those early “brick” cell phones – a step toward ubiquity for medical personnel? Or are they a fad that will pass as the notebook models penetrate the market further?

When Will We Learn?

Friday, February 5th, 2010

Hey, its ERP from ER stories doing a guest rant post.

OK, I have blogged about this before, but nearly every shift, I have cases which emphasize the need to repeat myself.

When the hell with doctors learn to stop obsessing about hypertension?  I don’t mean to say that we should not treat it – of course we should. I am talking about blaming every symptom a patient is having on it.  I am talking about aggressive lowering of the BP in the acute setting.  It is just stupid.

If I had a nickle for every time a patient’s headache or dizziness is attributed to hypertension I would be a millionaire.  The sad truth is that it almost never is!  The BP is a REACTION to the symptoms not the cause.  This is obviously true in people who are chronically hypertensive – it took years for them to develop it so why do we think we need it lowered in 5 minutes?  Of course their pressure will go up to 200 when they have pain.  And guess what, lowering it fast will probably make new problems - like syncope and rebound hypertension caused by crappy old drugs like Clonidine.

This is different than when a young person has hypertensive encephalopathy or when someone has a big head bleed (where you want to lower the pressure only a small amount) or an aortic dissection.  They people do need IV treatment but almost no one else does!

I just had a patient who was admitted to three days in England (where he was visiting I assume)  for “hypertensive emergency” because he was having a room spinning sensation and a systolic pressure of over 200.  Guess what, they lowered his pressure and gave him new drugs to go home with but he still had dizziness! Why? He had obvious benign positional vertigo!  I gave him antivert (an antihistamine that works well for it) and it went away!   And as a bonus, his pressure came down on its own!

So, patients do not check your BP when you feel pain or dizziness (unless you are on the verge of passing out – in which case you are looking to see if your BP is LOW), check it when you feel normal and have been chilling out for 10-15 minutes.  Do that over several weeks and show the numbers to your doctors and let him or her decide treatment.

Doctors, do not attribute every headache, vertiginous episode, or other discomfort referable to the head to hypertension.  Do not agressively lower it in the ER or your office and then discharge the patient.  Do not give someone labatelol because the have a nose bleed.  Do not fail to examine someone and miss benign positional vertigo.  Don’t just treat the number to make yourself feel better!  Treat hypertension for the long term!

Recently on Twitter: