8 results
Differential Diagnosis for ST Segment Elevations
 - ACUTE STEMI 
 - PULMONARY EMBOLISM 
 - LBBB
Differential Diagnosis ... for ST Segment ... Elevations - ACUTE ... STEMI - PULMONARY ... EMBOLISM - LBBB
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa ... Criteria - Diagnostic ... Discordance" = ST ... Criteria - Suspect STEMI ... #Checklist #EKG
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework ... STEMI: • Upsloping ... morphology similar to LBBB ... complex Pulmonary Embolism ... #ST #STEMI #Segment
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
STEMI - Elevation ... depression • Sgarbossa ... aVL, V4 to V6 • Sgarbossa ... • Sgarbossa criterion ... #EKG #diagnosis
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
Modified Sgarbossa ... Criteria for diagnosing ... STEMI in the presence ... of a LBBB If there ... elevation of greater
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
Embolism - Sinus ... or incomplete RBBB ... Non-specific ST ... elevation and depression ... #Diagnosis
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
0.5mm downgoing ST ... line; upsloping ST ... - R/S >1 or ST ... in V1, unless LBBB ... #EKG #diagnosis
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
Embolism The sensitivity ... Incomplete or Complete RBBB ... • Non-specific ST-T ... Changes • STE ... #diagnosis #cardiology