13 results
Sgarbossa’s ECG criteria for detecting ischemia in the presence of left bundle branch block (LBBB)

The Sgarbossa
branch block (LBBB ... be applied to all ... #Diagnosis #Cardiology ... #Discordance #Normal ... #LBBB
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Remember that RBBB ... normally has ST ... STEMI Criteria misses ... #EKG #Electrocardiogram ... #Clinical #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT with BBB All ... or LBBB morphology ... QRS complex of normal ... #ekg #cardiology ... #diagnosis #electrocardiogram
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Normal Sinus Rhythm ... leads III and aVL ... SinusRhythm #nsr #cardiology ... #ecg #electrocardiogram ... #criteria
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Ml, WPW, LVH, LBBB ... Short QT <300-360 ms ... #EKG #diagnosis ... #electrocardiogram ... #cardiology #interpretation
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
or LBBB morphology ... concordance in all ... point) of S > 100 ms ... Morphology criteria ... Comparison #Diagnosis #Cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
• Vereckei criteria ... #electrocardiogram ... #diagnosis #ekg ... #differential # ... cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
T wave in V1 - normal ... in V1, unless LBBB ... #electrocardiogram ... #cardiology #STEMI ... Interpretation #differential
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... V1 (Invert III normal ... @AmyChung #EKG ... #Electrocardiogram ... #cardiology #diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... of the leads l, aVL ... #EKG #diagnosis ... #differential # ... cardiology #electrocardiogram