10 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 ... the case as Typical ... excludes other differentials ... #JVP #Cardiology
ST depression & T wave inversion causes #Pathophys #Diagnosis #Cardiology #MedStudent #EKG #Differential #TWI #STD #TWaveInversion
inversion causes ... #Pathophys #Diagnosis ... #Cardiology #MedStudent ... #EKG #Differential ... Strain #Digitalis #ECGEducator
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
atrial injury from ... diagnosis includes ... tachycardia ddx: AVNRT ... #ekg #differential ... #cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
3 - diffuse T wave ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology ... #EKG #Pericarditis ... #Spodick #ECGEducator
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... • ST vs SVT (AVNRT ... AFIutter) • P-waves ... Don't rely on criteria ... #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
• Sgarbossa criterion ... indistinguishable from ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
3 different P waves ... longer pause 2º ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
Right to Left from ... - Most Common Cause ... Artery #Embolism #diagnosis ... #differential # ... #cardiology
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... opposite direction from ... Diagnosis: • PAC ... #differential # ... cardiology
The modified Sgarbossa Rule uses proportions to identify acute AMI in the setting of ST-elevations in
Sgarbossa Rule uses ... ST-elevation / S-wave ... indicative of acute MI #Diagnosis ... #EM #Cardiology ... Modified #Sgarbossa #Criteria