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Sgarbossa’s ECG criteria for detecting ischemia in the presence of left bundle branch block (LBBB)

The Sgarbossa
#Diagnosis #Cardiology ... Sgarbossas #Criteria #Discordant ... #Discordance #Normal
What are the original Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead =
V3 = 3 points - Discordant ... #Diagnosis #Cardiology
Abnormal Jugular Venous Pressure (JVP) Algorithm
Outward Wave / Peak
 • With Every Beat
X-Descent • Discordant ... Algorithm #diagnosis #cardiology
Univentricular heart, Left Ventricular type l-loop

Ventriculoarterial connections are discordant 
Common atrioventricular valve 
Pulmonary artery banding
 -
connections are discordant ... Echocardiogram #A4c #Cardiology
Sgarbossa Criteria A - Concordant ST segment elevation of >1m, in any lead | Sgarbossa Criteria
lead #Diagnosis #Cardiology ... Sgarbossa #Criteria #Discordance
What is the new modified Sgarbossa Criteria?
- Concordant ST-segment elevation ≥ 1 mm in any lead
-
lead V1 – V3 - Discordant ... 0.25 #Diagnosis #Cardiology
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
the QRS) or a discordant ... Specific for MI C: Discordant ... S #Diagnosis #Cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
see "Appropriate Discordance ... electrocardiogram #ecg #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
preceding S-wave with discordant ... #differential #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
waves should be discordant ... differential #diagnosis #cardiology