Emergency Medical Minute

Contributor: Nick Tsipis, MD Educational Pearls: Humerus fractures can be characterized as proximal, midshaft, and distal fractures Proximal humerus fracture is the second-most common fracture in elderly patients  Primary complication is with the axillary nerve and axillary artery  Vast majority are managed nonoperatively with a sling, reduction usually not indicated Women comprise 70% of proximal...

Contributor: Peter Bakes, MD Educational Pearls: Pelvis is comprised of the iliac, ischium, and sacrum Three mechanisms for pelvic fractures by Young-Burgess Classification Anterior-posterior compression causing open-book pelvic fractures that can be complicated by retroperitoneal bleeding or urethral injury Lateral compression causing rami fractures Vertical sheer causing offset of sacroiliac joi...

Contributor: Ricky Dhaliwal, MD Educational Pearls: CRASH 3 Trial looked at over 12,000 patients with traumatic intracranial bleeds, randomizing patients to a therapy with TXA or standard of care without TXA Dosing was 1 gram over 10 min for loading dose and then an infusion of 1 gram over 8 hours Found Improvement in survival and neurologic outcomes when patient received TXA within 3 hours Refere...

Contributor: Chris Holmes, MD Educational Pearls: In the 1700s, boxes lined the River Thames to pump smoke up the rectum to resuscitate people who had been found unconscious in the river Sea cucumbers can extract oxygen through their rectum Perflourocarbon, a liquid that can become oxygenated, provided rectally was able to oxygenate pigs and mice in a recent study References Okabe R, Chen-Yoshikaw...

Contributor: Ricky Dhaliwal, MD Educational Pearls: Hypotension in patients requiring intubation should be resuscitated as much as possible While intubating, the negative inspiratory pressure goes away decreasing cardiac preload and worsening hypotension Phenylephrine can be given via push doses to  increase blood pressure from  alpha agonism For sedation, avoid propofol with hypotension and opt f...

Contributor: Aaron Lessen, MD Educational Pearls: DEVT Trial, a recent non-inferiority study, looked at giving tPA prior to endovascular thrombectomy and was stopped early because there was no benefit shown to giving tPA before this intervention Coupled with the SKIP and DIRECT MT trials corroborating these findings, it appears that giving tPA prior to thrombectomy is not indicated Whether patient...

Contributor: Jared Scott, MD Educational Pearls: PID (pelvic inflammatory disease) occurs when the infection ascends into the uterus Tubo-ovarian abscess occurs when the infection ascends to the fallopian tubes Fitz-Hugh-Curtis syndrome occurs when the infection enters the peritoneum and causes peritoneal inflammation with peri-hepatic inflammation These conditions require GYN consultation and oft...

Contributor: Jared Scott, MD Educational Pearls: Recent study evaluated vaginal self swab testing for STIs to determine if they are equally sensitive to provider-obtained swab 515 patients consented to both tests and 95% agreement was found between the two methods of obtaining samples 75% of participants who preferred this over the pelvic exam, although some patients were concerned they did not pe...

Contributor: Dr. Nick Gorton, MD Educational Pearls: Use transgender people's correct names and pronouns, the Russell study found a 56% reduction in suicide behavior with chosen name usage ⅕ to ½ of transgender people report they avoided seeking care in the ED because of fear of transphobic treatment Understanding the definitions of gender identity, gender expression, assigned sex at birth, physic...

Contributor:  Nick Tsipis, MD Educational Pearls: pH 7.45=alkalemia If pH low and pCO2 high, indicates a respiratory acidosis If pH low and pCO2 low, indicates metabolic acidosis After determining type of acidosis, check bicarb to determine compensation for acidosis and check electrolytes to calculate anion gap Metabolic acidosis can present with tachypnea (Kussmaul breathing) and hypotension due...

Contributor:  Jared Scott, MD Educational Pearls: Around 30 patients with cannabinoid hyperemesis syndrome (CHS) randomized treatment in three arms with 8mg Zofran, Haldol 0.05 mg/kg, and Haldol 0.1 mg/kg Haldol arms performed better on all measures compared to Zofran Extrapyramidal symptoms were significantly higher in the Haldol group than Zofran, especially the high-dose Haldol group References...

Contributor:  Gretchen Hinson, MD Educational Pearls: Pit vipers include cottonmouths, rattlesnakes, and copperheads All have folding long fangs, triangular face, and elliptical pupils About 5,000 snakebites per year reported to Poison Control Initially develop a local reaction (swelling, bruising, pain, bullae) Complications can include  25% of snake bites result in no envenomation (dry bites) 20...

Contributor:  Adam Barkin, MD Educational Pearls: Internal hernias, when bowel herniates through iatrogenic or congenital defect in mesentery, represent 1-6% of all small bowel obstructions Mortality of strangulated internal hernias is over 50% due to bowel necrosis and sepsis Intermittent symptoms presenting with nausea, vomiting, abdominal pain, abdominal distension Increased risk in patients wi...

Contributor:  Adam Barkin, MD Educational Pearls: Spontaneous coronary artery dissection (SCAD) is the most common cause of acute MI in women under 50 years old Risk factors include fibromuscular dysplasia, extreme exercise, stress, pregnancy, and recent birth Diagnosed in cath lab but medically managed and usually do not get a stent Treated with dual antiplatelet therapy and beta-blockers Referen...

Contributor:  Peter Bakes, MD Educational Pearls: Community-acquired pneumonia (CAP) is normally stratified into outpatient-candidates vs. inpatient candidates for treatment For outpatient treatment, antibiotic selection is driven by presence or absence comorbid health conditions (chronic lung/kidney/liver disease, DM, immunocompromised state, alcoholism, asplenia) No comorbidities: High dose amox...

Contributor:  Aaron Lessen, MD Educational Pearls: Refractory ventricular fibrillation, defined as 3 defibrillation shocks without resolution, was studied via RCT looking to compare ECMO with cardiac cath vs. typical resuscitation After 30 patients (15 each arm), the trial was stopped because such a significant benefit seen in the ECMO arm 6 patients survived and 3 had good neurological outcomes a...

Contributor:  Jared Scott, MD Educational Pearls: Hand eczema is present in about 10% of the population and has a great prevalence in hairdressers, healthcare workers, and food service employees Using 1% oatmeal cream instead of a base cream showed statistically significant improvement in outcomes of HE in healthcare workers in a double-blind study References Sobhan M, Hojati M, Vafaie SY, Ahmadim...

Contributor:  Sam Killian, MD Educational Pearls: Patients with cirrhosis and ascites are frequently evaluated for spontaneous bacterial peritonitis, an infection of the ascites fluid that is not from a surgically treated source Fever, abdominal pain, and altered mental status should all raise clinical suspicion in a patient with ascites Fluid from paracentesis may show increased WBCS (polys and n...

This week's Pharmacy Phriday features a short excerpt from a longer podcast released as promo for the Colorado's CURE initiative, Clinicians United to Resolve the Epidemic, that combats the opioid crisis through education. Frequent contributor to the podcast, Rachael Duncan, PharmD, is joined by host, Elizabeth Esty, MD, to discuss the opioid prescribing guidelines for pharmacists released by the...

Contributor:  Chris Holmes, MD Educational Pearls: Medicine is cyclical and practice is always evolving A description of recommended treatment for CHF from 1966 Give oxygen Give one dose morphine then switch to demerol Decrease venous return and start PPV Immediately apply tourniquet to 3 extremities rotating tourniquets every 20 minutes Phlebotomy of 350-500 cc blood into a donor bag and draw off...

Contributor:  Aaron Lessen, MD Educational Pearls: Facial nerve palsy (Bell's palsy) can occur in pediatric patients with Lyme disease, viral infection, or even leukemia One trial sought out to find if steroids and acyclovir would benefit pediatric patients with facial nerve palsy However, during screening process, around 1% of enrollees had leukemia (5 of the 644 patients)  This is important as s...

Contributor: Don Stader, MD Educational Pearls: Patients are more likely to survive an opioid overdose if they have naloxone 10% risk of death in the year following an opioid overdose of patients seen in the ED Those who receive naloxone: Have better survival rates Are more likely to enter recovery Are more likely to use the naloxone on another person who has overdosed Better to give the patient n...

Contributor: Aaron Lessen , MD Educational Pearls: Patients on 10L or more of oxygen per minute in the ICU were randomized to oxygen goals of 90% or 96% to compare 90-day mortality rates Mortality rates were about 42% for both of oxygen target groups, indicating no significant difference References Schjørring OL, Klitgaard TL, Perner A, et al. Lower or Higher Oxygenation Targets for Acute Hypoxemi...

Contributor:  Adam Barkin, MD Educational Pearls: Represents less than 1% of all fractures that occur, although it has a significant mortality rate of 2-5% Typically occurs in high-energy trauma and are commonly associated with high injury severity scores and other fractures Concomitant Injuries: 50% have rib fracture 25% have clavicle fracture 30% have a spine fracture 5% have a brachial plexus i...

Contributor:  Dave Rosenberg, MD Educational Pearls: In 1951, Operation Tat-Type began tattooing adults with their blood type in an effort to prepare for rapid transfusions in the time of the Cold War and the Korean War School children in northern Indiana and areas in Utah were tattooed with their blood type beginning in 1952 under the same operation Based on tattoos given to SS officers during WW...