9 results
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Criteria - Diagnostic ... 1) Identify LBBB ... #Modified #Diagnosis ... #Checklist #EKG ... #cardiology #lbbb
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
x 10 Rhythm (1) ... V-pacemaker, ↑K, ICD ... #EKG #diagnosis ... electrocardiogram #cardiology ... #interpretation
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Wide-Complex Tachycardia 1. ... morphology: Is the QRS ... consistent with either LBBB ... Tachycardia #Evaluation #Interpretation ... #Diagnosis #Cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
with Aberration - Interpretation ... dissociation (P and QRS ... Brugada algorithm 1. ... Morphology criteria ... #Cardiology
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
, peak T, wide QRS ... , long P • ↑ Ca ... wave inversion, QRS ... #EKG #Checklist ... #diagnosis #cardiology
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
Criteria for diagnosing ... dominant part of the QRS ... of greater than 1/ ... #Cardiology #Sgarbossa ... #Modified #Criteria
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
3 height of QRS ... in V1, unless LBBB ... #EKG #diagnosis ... electrocardiogram #cardiology ... #Equivalents #Interpretation
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
T-waves, often with 1- ... with R/S ratio > 1 ... 3 (modified) - ... #EKG #diagnosis ... #differential #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
1. ... : Differential diagnosis ... aVR • Classic EKG ... tachycardia, widened QRS ... #cardiology