30 results
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
diagnosing MI in LBBB ... Criteria - Suspect STEMI ... > 1 mm in any lead ... b) Concordant STD ... wave > 25% in any lead
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
new/old infarct STEMI ... • DDx: Acute STEMI ... have no pain - LAD ... avR - proximal LAD ... in V1, unless LBBB
LAD
IWMI
LAHB
RAD
[PHB
RVH
Lateral wall infarct
Lead reversal
Dextrocardia
Wide ORS
RBBB - terminal delay
[BBB
IVED
WPW = delta wave
Hyperkalemia
Type l antiarrhythmic drugs
Pacemaker
ST elevation
Early repolarization
LAD IWMI LAHB ... drugs Pacemaker ST ... Elevation AcutE STEMI ... Brugada syndrome ST ... #LBBB #IVED #WPW
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
for diagnosing STEMI ... presence of a LBBB ... ≥ 1mm (in any lead ... B: Concordant STD ... Modified #Criteria #LBBB
Ventricular Tachycardia in Wide Complex Tachycardia - Telemetry Diagnosis
 • Lead V1 - LBBB Criteria
 •
Diagnosis • Lead ... V1 - LBBB Criteria ... • Lead V1 - RBBB ... aVR - Vereckie Algorithm ... #Algorithm #
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
with 100% Acute LAD ... Remember that RBBB ... normally has ST ... STEMI Criteria misses ... @EM_RESUS #LAD
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
: “Nonspecific ST ... STE in II, III, ... Reciprocal STD in ... STD in V2 (posterior ... Cardiology #EKG #STEMI
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Diagnosis for ST ... Elevations - ACUTE STEMI ... EMBOLISM - LBBB ... #STElevation #STEMI
What are the original Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead =
- Concordant ST-segment ... ≥ 1 mm in any lead ... depression ≥ 1 mm in lead ... ≥ 5 mm in any lead ... Sgarbossa #Criteria #LBBB
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
ECG Pattern STEMI ... anterior descending (LAD ... 1) Upsloping ST ... (>= 1 mm) 2) ST