11 results
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
ECG Pattern STEMI ... ST elevation in aVR ... #DeWinter #TWaves ... #Diagnosis #Cardiology ... #Criteria
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
- ECG Diagnosis ... • inverted in aVR ... leads III and aVL ... #diagnosis #ekg ... #criteria
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... : Differential diagnosis ... EKG findings: Sinus ... #AVR #leadAVR #ecg ... #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
ST elevation in aVR ... of the leads l, aVL ... • Sgarbossa criterion ... #EKG #diagnosis ... #differential #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
leads with STE in avR ... inversion - STE avR ... inversion in avL ... #EKG #diagnosis ... electrocardiogram #cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
, not in aVL • ... , not in aVL, when ... lateral leads (I, aVL ... #cardiology #ecg ... #ekg #electrocardiogram
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT with BBB All ... Fusion beats - a sinus ... VT #VTach #SVT #Comparison ... #ekg #cardiology ... #diagnosis #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... #Arrhythmia #cardiology ... #diagnosis #ekg ... variants #clinical #comparison
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
beats (normal sinus ... concordance in all ... Morphology criteria ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology