Contributor: Aaron Lessen MD Educational Pearls: Aortic injury occurs in 1.5-2% of patients who sustain blunt thoracic trauma Majority are caused by automobile collisions or motorcycle accidents Due to sudden deceleration mechanism accidents Clinical manifestations Signs of hypovolemic shock including tachycardia and hypotension, though not always …

Laboring Under Pressure Episode 4: Obstetric Emergency in South Africa with Dr. Meghan Hurley Contributors: Meghan Hurley MD, Travis Barlock MD, Jeffrey Olson MS3 Show Pearls Map of South Africa Referenced South Africa Geography Lesson There is a big disparity between Cape Town and its neighbor Khayelitsha. Cape Town is the legislative capital and …

Contributor: Taylor Lynch, MD Educational Pearls: What is neutropenic fever? Specific type of fever that is seen in cancer patients and other patients with impaired immune systems These patients are highly susceptible to infection Typically occurs 7-10 days after the last chemotherapy dose, this is when the immune system is the weakest It is useful…

Contributor: Jorge Chalit-Hernandez, OMS3 Typically presents with biliary colic Right upper quadrant abdominal pain lasting more than 30 minutes and subsiding over several hours Often associated with fatty meals but not always Must rule out other causes of pain Peptic ulcer disease - typically presents with epigastric pain Pancreatitis - pain that …

Contributor: Taylor Lynch MD Supraventricular tachycardias (SVTs) arise above the bundle of His The term SVT includes AV nodal reentrant tachycardia (AVNRT), atrioventricular reentrant tachycardia (AVRT), atrial tachycardia, atrial fibrillation, atrial flutter, and multifocal atrial tachycardia AVNRT is the most common form of SVT Paroxysmal Sponta…

Contributor: Aaron Lessen, MD Educational Pearls: Pediatric case study where the child’s tongue was stuck in the opening of a hard plastic drink lid Entrapment restricts circulation which causes fluid to build and the tongue becomes more edematous with time There is a risk of ischemia with prolonged entrapment Initially tried 2% viscous lidocaine f…

Contributor: Megan Hurley, MD Educational Pearls: Fevers Tylenol Up until 20 weeks NSAIDs are ok but after 20 weeks they are contraindicated Can limit the amount of amniotic fluid produced Can lead to growth restriction Can cause premature closure of the ductus arteriosus Cough Cough drops Humidifier Guafenesine and dextromethorphan (Mucinex) is no…

Contributor: Travis Barlock MD Educational Pearls: Assessment of head and neck vascular injury due to blunt trauma Symptomatic patients require screening head and neck CT angiography EAST guidelines include the following criteria for a screening CT angiography in blunt head trauma: Unexplained neurological deficits Arterial nosebleed GCS < 6 Petrou…

Contributor: Aaron Lessen, MD Educational Pearls: Hemothorax: blood in the pleural cavity, most commonly due to chest trauma Treatment: thoracostomy tube for blood drainage helps to avoid clotting, scarring, and infection A recent study looked at patients with hemothorax who either received or did not receive thoracic irrigation with saline Evaluat…

Contributor: Taylor Lynch, MD Educational Pearls: When it comes to hypoglycemia, the age dictates possible causes Neonate: Hormonal deficiency Congenital Adrenal Hyperplasia (21-hydroxylase deficiency, 11β-hydroxylase deficiency) Primary or Secondary Adrenal Insufficiency leading to cortisol deficiency Hypopituitarism Inborn errors of metabolism Sy…

Contributor: Kiersten Williams MD, Travis Barlock MD, Jeffrey Olson MS3 Show Pearls Hypertensive disorders of pregnancy are one of the leading causes of maternal mortality worldwide. Hypertension (HTN) complicates 2-8% of pregnancies The definition of HTN in pregnancy is a systolic >140 or diastolic >90, measured 4 hours apart There is a range of H…

Contributor: Sean Fox, MD Educational Pearls: Newborns may lose up to 10% of their birth weight in the first week of life Weight loss is greatest in exclusively breastfed infants Should regain birth weight by age 2 weeks Newborns should gain an average of 30g (1 oz) per day in the first 3 months of life Some will gain more and some will gain less I…

Contributor: Travis Barlock, MD Educational Pearls: SVT: supraventricular tachycardia Pharmacotherapy for SVT includes drugs that block the AV node, such as adenosine EKG criteria before adenosine administration in SVT Regular rhythm Monomorphic: ​​all QRS complexes are identical If the EKG is polymorphic, with QRS complexes displaying changing mor…

Contributor: Aaron Lessen, MD Educational Pearls: How does an automated blood pressure cuff work? Automated blood pressure cuffs work differently than taking a manual blood pressure. While taking a manual blood pressure, one typically listens for Korotkoff sounds (turbulent flow) while slowly deflating the cuff. An automatic blood pressure cuff onl…

Contributor: Megan Hurley, MD Educational Pearls: Heat cramps Occur due to electrolyte disturbances Most common electrolyte abnormalities are hyponatremia and hypokalemia Heat edema Caused by vasodilation with pooling of interstitial fluid in the extremities Heat rash (miliaria) Common in newborns and elderly Due to accumulation of sweat beneath ec…

Contributor: Taylor Lynch, MD Educational Pearls: What is Central Cord Syndrome (CCS)? Incomplete spinal cord injury caused by trauma that compresses the center of the cord More common in hyperextension injuries like falling and hitting the chin Usually happens only in individuals with preexisting neck and spinal cord conditions like cervical spond…

Contributor: Megan Hurley, MD Educational Pearls: Initial assessment of patients with severe burn injuries begins with ABCs Airway: consider inhalation injury Breathing: circumferential burns of the trunk region can reduce respiratory muscle movement Circulation: circumferential burns compromise circulation Exposure: Important to assess the affecte…

Contributor: Taylor Lynch, MD Educational Pearls: What is NMS? Neuroleptic Malignant Syndrome Caused by anti-dopamine medication or rapid withdrawal of pro-dopamenergic medications Mechanism is poorly understood Life threatening What medications can cause it? Typical antipsychotics Haloperidol, chlorpromazine, prochlorperazine, fluphenazine, triflu…

Contributor: Travis Barlock MD Educational Pearls: Recent study assessed outcomes after ROSC with epinephrine vs. norepinephrine Observational multicenter study from 2011-2018 285 patients received epineprhine and 481 received norepinephrine Epinephrine was associated with an increase in all-cause mortality (primary outcome) Odds ratio 2.6; 95%CI 1…

Contributor: Taylor Lynch, MD Educational Pearls: Opioid Epidemic- quick facts Drug overdoses, primarily driven by opioids, have become the leading cause of accidental death in the U.S. for individuals aged 18-45. In 2021, opioids were involved in nearly 75% of all drug overdose deaths The rise of synthetic opioids like fentanyl, which is much more…

Contributor: Aaron Lessen, MD Educational Pearls: How fast does cellulitis recover? A recent prospective cohort study took a look at this question. The study included 300 adults with cellulitis (excluding those with peri-orbital cellulitis or abscesses) in two emergency departments in Queensland, Australia. They collected data from initial and foll…

Contributor: Aaron Lessen MD Educational Pearls: A recent study assessed EMS treatment of high blood pressure in the field 2404 patients randomized to prehospital treatment (1205) vs. usual care (1199) Included patients with prehospital BP greater than 150 mm Hg The treatment arm’s BP goal was 130-140 mm Hg The primary efficacy outcome was function…

Contributor: Taylor Lynch MD Educational Pearls: Overview: Sympathomimetic drugs mimic the fight or flight response, affecting monoamines such as dopamine, norepinephrine, and epinephrine Limited therapeutic use, often abused. Types: Amphetamines: Methamphetamine, Adderall, Ritalin, Vyvanse MDMA (Ecstasy) Cocaine (Both hydrochloride salt & free bas…

Contributor: Travis Barlock MD Educational Pearls: Wide-complex tachycardia is defined as a heart rate > 100 BPM with a QRS width > 120 milliseconds Wide-complex tachycardia of supraventricular origin is known as SVT with aberrancy Aberrancy is due to bundle branch blocks Mostly benign Treated with adenosine or diltiazem Wide-complex tachycardia of…