11 results
Left Ventricular Hypertrophy (LVH) Criteria
• Sokolow + Lyon 
 - S V1 + R V5 or
- S V3 + R avl ... men - S V3 + R avl ... - R avl > 11 ... #Hypertrophy #ECG ... #EKG #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg ... #differential #cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
is positive in aVR ... - a sinus and ventricular ... #VentricularTachycardia ... #Versus #ecg #ekg ... #cardiology #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... within the atria (e.g ... • Lateral (I + aVL ... @AmyChung #EKG ... Interpretation #ECG
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
sinus beat and a ventricular ... Morphology criteria ... #VT #VTach #VentricularTachycardia ... Aberration #Aberrancy #Comparison ... #Diagnosis #Cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
= Biomarkers + ECG ... wave inversion in avL ... V1, unless LBBB/LVH ... #Ischemia #ECG ... #EKG #diagnosis
Diastolic Function Grading - Schematic diastolic filling patterns

I: impaired relaxation, II: moderate diastolic dysfunction (pseudonormal), III:
restrictive left ventricular ... filling (impaired LV ... compliance), ECG ... #Diagnosis #Cardiology ... Classification #Grades #Criteria
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
Equivalents on ECG ... ST elevation in aVR ... of the leads l, aVL ... #Equivalents #ECG ... #EKG #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Approach to ECGs ... : Inf Ml, WPW, LVH ... #Approach #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
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 ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram