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

The Sgarbossa
Sgarbossa’s ECG ... be applied to all ... #Diagnosis #Cardiology ... #ECG #EKG #Sgarbossas ... #Discordance #Normal
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... conditions: - Acute MI ... ) #Diagnosis # ... Cardiology #EKG ... #ECG #Lead #AVR
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 ... #ekg #differential ... #cardiology
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
- ECG Diagnosis ... leads III and aVL ... SinusRhythm #nsr #cardiology ... #diagnosis #ekg ... #criteria
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... ST elevation in aVR ... of the leads l, aVL ... • Sgarbossa criterion ... #EKG #diagnosis
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... is positive in aVR ... QRS complex of normal ... VT #VTach #SVT #Comparison ... #ekg #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... • Lateral (I + aVL ... leads except aVR ... Electrocardiogram #cardiology ... #diagnosis #system
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
concordance in all ... point) of S > 100 ms ... Morphology criteria ... Aberration #Aberrancy #Comparison ... #Diagnosis #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 ... wave inversion in avL ... T wave in V1 - normal ... #EKG #diagnosis
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
dextrocardia, normal ... dextrocardia, normal ... boxes) - HiPR: AV ... Short QT <300-360 ms ... #EKG #diagnosis