19 results
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa ... 3) Implement Modified ... Criteria - Suspect STEMI ... > 1 mm in any lead ... 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 ... big R or R/S>I STEMI ... have no pain - LAD ... avR - proximal LAD
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
Modified Sgarbossa ... for diagnosing STEMI ... ≥ 1mm (in any lead ... B: Concordant STD ... Cardiology #Sgarbossa #Modified
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
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
with 100% Acute LAD ... RBBB normally has ST ... an isolectric ST ... STEMI Criteria misses ... @EM_RESUS #LAD
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI Equivalents ... • Conventional STEMI ... aVR • Posterior STEMI ... Sgarbossa criterion 3 (modified ... anterior leads) #STEMI
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Diagnosis Framework STEMI ... Opposing leads ST ... ventricle pacing lead ... #STEMI #Segment
Mid Left Circumflex STEMI on ECG

This patient who had cp for 1 hour had a 100%
Left Circumflex STEMI ... ST elevations in ... with reciprocal st ... frequently missed stemi ... Mid #Circumflex #STEMI
Modified Sgarbossa Positive ECG

Interestingly, the ECG for this case report shows development of conventional STEMI criteria
Modified Sgarbossa ... of conventional STEMI ... complex 10 in lead ... V6 has ST elevation ... Positive #ECG #Modified
Wraparound LAD STEMI on EKG
47 year old with chest pain. Ectopic atrial rhythm with ST elevations.
Wraparound LAD STEMI ... atrial rhythm with ST ... all wraparound LAD ... #Wraparound #LAD ... #STEMI #EKG #clinical