7 results
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... rapid cannon a waves ... are enough to diagnose ... excludes other differentials ... Hussainch #Cannon #Awaves
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
3 different P wave ... retrograde) - AVNRT ... #Tachycardias #differential ... #diagnosis #causes ... #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... J point • De Winter ... V2 • Wellens sign ... Equivalents #ECG #EKG #diagnosis ... #differential #
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Elevation - Differential ... Diagnosis Framework ... STE: "Pardee's sign ... #diagnosis #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Tachycardia - Differential ... Diagnosis Table ... • ST vs SVT (AVNRT ... AFIutter) • P-waves ... #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... T waves - starts ... Ischemia #ECG #EKG #diagnosis ... Interpretation #differential
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
Red Flags and Differential ... Diagnosis Red ... Tightness which Waxes ... and Wanes • 30 ... causes #primary