9 results
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
Aberration - Interpretation ... or LBBB morphology ... Morphology criteria ... #Comparison #Diagnosis ... #Cardiology
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
conditions: - Acute ... narrow complex tachycardias ... from SVT with aberrancy ... ) #Diagnosis # ... Cardiology #EKG
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... SVT with BBB All ... is positive in aVR ... Versus #ecg #ekg #cardiology ... #diagnosis #electrocardiogram
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Diagnosis Table ... > SVT+conduction ... Don't rely on criteria ... /LBBB or identical ... Irregular #causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Acute myocardial ... : Differential diagnosis ... tachycardia (SVT ... than Brugada criteria ... #differential #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
women • DDx: Acute ... leads with STE in avR ... in V1, unless LBBB ... Ischemia #ECG #EKG #diagnosis ... electrocardiogram #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
elevation in aVR ... • Sgarbossa criterion ... deviation) • Acute ... Equivalents #ECG #EKG #diagnosis ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
- Differential Diagnosis ... Framework STEMI ... morphology similar to LBBB ... block; and sinus tachycardia ... #cardiology #ecg
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Drive: • Sinus Tachycardia ... Incomplete or Complete RBBB ... • Non-specific ST-T ... Changes • STE in aVR ... #diagnosis #cardiology