11 results
Osborn (J Wave)

Etiology 
• Hypothermia (below 320C / SOOF) 
• Normal variant 
• Hypercalcemia 
• Neurological
fibrillation Clinical ... No prognostic value ... #Differential # ... Cardiology #EKG ... #ECG #Hypothermia
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
EKG of the same ... are enough to diagnose ... excludes other differentials ... that’s called “clinical ... #Cardiology #Neck
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Triage EKG (no prior ... Differential/diagnosis ... RV, McConnell's sign ... Echocardiogram #A4c ... #clinical #cardiology
Shock - Diagnosis and Management Summary
 • Hypotension: SBP<90, SBP drop >40, MAP<65 (Normotension, HTN possible
Shock - Diagnosis ... Full Set of Vital Signs ... telemetry, 12-Lead EKG ... - Distended neck ... crackles, elevated JVP
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
100/82, HR 74, JVP ... ASA, Kussmaul's sign ... echocardiogram to workup ... Echocardiogram #a4c ... #cardiology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
previously stable values ... risk factors (eg ... hypertension (eg ... 109 mm Hg) with clinical ... hypertension (eg
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
39 C this is a clinical ... Surgical devices, e.g ... Sepsis (→ 3-14) e.g ... malignant syndrome (e.g ... #Management #Workup
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... systemic sx + signs ... not be subtle e.g ... very remarkable w/differential ... E.g. 80 yo ESR cutoff
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Neck: “dropping ... life-threatening Differential ... and EMG Findings ... test - Cogan sign ... - Peek sign
Myasthenic Crisis Checklist - Myasthenia Gravis

Evaluation 
 - Chest X-ray and lung ultrasound (exclude other lung
Phos), CBC with differential ... - Infectious workup ... Pyridostigmine - New diagnosis ... oral secretions (e.g ... monitoring (vital signs