28 results
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 ... ’s called Frog sign ... Hussain Ch @Hussainch
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
J point • De Winter ... V2 • Wellens sign ... pain • Wellens sign ... #EKG #diagnosis ... #differential #
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... #EKG #diagnosis ... Interpretation #differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Diagnosis Algorithm ... • Drugs • Pulmonary ... Reduced GFR, AKI/CRF ... Uosm < 100 mmol/kg
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Diagnosis Algorithm ... • Drugs • Pulmonary ... Reduced GFR, AKI/CRF ... Uosm < 100 mmol/kg
Shock - Differential Diagnosis Framework
 - MAP <65. SBP <90, drop in SBP > 40
 -
Shock - Differential ... Diagnosis Framework ... Decompensated CHF ... • Obstructive: Pulmonary ... ) UOP > 0.5 cc/kg
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Segment Elevation - Differential ... Diagnosis Framework ... STE: "Pardee's sign ... QRS complex Pulmonary ... #ecg #ekg #electrocardiogram
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... Enteroviruses (e.g ... parenchymatous (tabes ... Acute meningeal signs ... #diagnosis #neurology
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
Diagnosis The ... than one cause (e.g ... carcinomatosis, HF ... dullness, puddle sign ... incisional). 3) Signs
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
psychosis - CHF ... ↑ AST/ALT • Treatment ... tenderness Treatment ... #differential # ... endocrinology #signs