16 results
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
: • ST vs SVT ... Don't rely on criteria ... certain of AFib + RBBB ... /LBBB or identical ... Irregular #causes #cardiology
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
normally has ST ... So ANY ST Elevation ... an isolectric ST ... STEMI Criteria misses ... Total #ECG #EKG #Electrocardiogram
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
ECG Pattern STEMI ... 1) Upsloping ST ... (>= 1 mm) 2) ST ... TWaves #ECG #EKG #Electrocardiogram ... #Criteria
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
myocardial infarction: ST ... • Multilead ST ... (AVRT) in WPW: ST ... • ST elevation ... tachycardia (SVT
3 ECG patterns for Acute Occlusion MI (OMI) without meeting ST elevation criteria
 • Posterior MI
without meeting ST ... elevation criteria ... MyocardialInfarction #OMI #STEMI ... equivalent #diagnosis #cardiology ... #electrocardiogram
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
, Wide-Complex Tachycardia ... consistent with either LBBB ... #Evaluation #Interpretation ... #ECG #EKG #Electrocardiogram ... #Diagnosis #Cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa Criteria ... Discordance" = ST ... - Suspect STEMI ... Checklist #EKG #electrocardiogram ... #ecg #cardiology
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
0.5mm downgoing ST ... line; upsloping ST ... vessel disease - ST ... - R/S >1 or ST ... #cardiology #STEMI
ST Elevation Myocardial Infarction (STEMI)

Criteria:
• New ST-segment elevation at the J point in 2 contiguous leads
ST Elevation Myocardial ... ) Criteria: ... • New ST-segment ... @DharSaty #ST ... #diagnosis #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... V6 • Sgarbossa criterion ... • Sgarbossa criterion ... #differential #cardiology ... #electrocardiogram