9 results
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
Diagnosis • Lead V1 ... - LBBB Criteria ... • Lead V1 - RBBB ... aVR - Vereckie Algorithm ... #Algorithm #
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
diagnosing MI in LBBB ... Dominant S wave in V1 ... (deep S waves V1 ... Criteria - Suspect STEMI ... 1 mm in leads V1
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
15 lead - STE V1 ... tall T wave in V1 ... is inverted in V1 ... , unless LBBB/LVH ... #Equivalents #Interpretation
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... morphology in V1 ... consistent with either LBBB ... or RBBB? ... Tachycardia #Evaluation #Interpretation
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
with Aberration - Interpretation ... or LBBB morphology ... leads, i.e. leads V1 ... Brugada algorithm ... criteria: both V1
Approach to ECGs
Check
 - Age, gender, name
 - 25mm/s; 10mm/mV
 - 1mm = 40ms; 0.1 mV
Rate
Ml, WPW, LVH, LBBB ... MI, WPW, RVH, RBBB ... (V1/V2 rsr', lat ... leads slurred S), LBBB ... electrocardiogram #cardiology #interpretation
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Remember that RBBB ... Depression in V1 ... STEMI Criteria misses
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... Syndrome: - rSR' in V1 ... Dominant S wave in V1 ... morphology similar to LBBB ... STElevation #ST #STEMI
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
for diagnosing STEMI ... presence of a LBBB ... Concordant STD ≥ 1mm in V1 ... Modified #Criteria #LBBB