36 results
Vereckie Algorithm - Lead aVR - Ventricular Tachycardia - Telemetry Diagnosis
WCT is VT IF:
 • Initial
or q wave > 40 ms ... downstroke of negative ... in the last 40 ms ... in the first 40 ms ... avr #diagnosis #cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
● Positive or negative ... R) or entirely negative ... Positive or negative ... point) of S > 100 ms ... Comparison #Diagnosis #Cardiology
Torsades de Pointes
• "Twisting of the pointes" 
• QRS axis swings from positive to negative direction
from positive to negative ... Originates from single focus ... TorsadesDePointes #Diagnosis #Cardiology
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Framework NCPE Pathophysiology ... • Normal or negative ... pg/ml EKG: • Negative ... infarction • Gram negative ... differential #diagnosis #cardiology
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Stabbing) - Negative ... MeralgiaParesthetica #MSK ... #pathophysiology
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
plain films are negative ... Fracture #WristXRay #Radiology ... #MSK #Orthopedics
Antiarrhythmics - Vaughan Williams Classification:
CLASS 1 - Sodium Channel Blockers:
 • MOA: Block fast Na+ channels
contraction force (negative ... inotropy) ACCP Cardiology ... Classification #Classes #pathophysiology ... #cardiology
Antiarrhythmics Pharmacology Summary
Cardiac Conduction Phases:
Phase 0 - Ventricular Depolarization:
 • Na+ channels open leading to a
to maintain a negative ... contraction force (negative ... inotropy) ACCP Cardiology ... Classification #Classes #pathophysiology ... #phases #cardiology
The JT Interval and Pro-Arrhythmic Risk
Measured from the J-point to the end of the T-wave, the
with QRS ≥120 ms ... electrocardiogram #pathophysiology ... #ekg #ecg #cardiology
Pericardial Clot on Echocardiogram

ST elevation of acute pericarditis was misdiagnosed as STEMI and thrombolysed with SK
thrombolysed with SK ... Echocardiogram #POCUS ... #clinical #cardiology