26 results
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Discordance" = ST ... a) Concordant STE ... b) Concordant STD ... V1-V3 c) STE ... electrocardiogram #ecg
ECG of a 55-year-old man who presented to the ER with chest pain 
Computer interpretation: “Nonspecific
ECG of a 55-year-old ... : “Nonspecific ST ... STE in II, III, ... Reciprocal STD in ... STD in V2 (posterior
ST depression & T wave inversion causes #Pathophys #Diagnosis #Cardiology #MedStudent #EKG #Differential #TWI #STD #TWaveInversion
ST depression & ... Cardiology #MedStudent #EKG ... Differential #TWI #STD
Modified Sgarbossa Criteria for diagnosing STEMI in the presence of a LBBB If there is concordant
presence of a LBBB ... is concordant ST ... or a discordant ST ... B: Concordant STD ... Modified #Criteria #LBBB
Note there is ST depression in aVR, a true sign of Left Main occlusion.  Many
Note there is ST ... authors state that ST ... aVR is a good ECG ... #Clinical #EM #IM ... #STElevations #STE
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Approach to ECGs ... = Biomarkers + ECG ... STEMI - J point STE ... in V1, unless LBBB ... #Ischemia #ECG
ECG changes in Pulmonary Embolism
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Sinus tachycardia 
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Complete or incomplete RBBB 
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ECG changes in Pulmonary ... or incomplete RBBB ... Non-specific ST ... changes, including ST ... S1Q3T3 #Predictive #ECG
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
Approach to ECGs ... imitator" • ↓ K - ST ... long QT via long ST ... Brugada 1 - Coved STE ... (<360ms) PE: RBBB
Benign Early Repolarization (BER) on EKG
 • Widespread concave STE most prominent in mid-to-left precordium (V2-V5)
Repolarization (BER) on EKG ... Widespread concave STE ... QRS complex) • STE ... No reciprocal STD ... #ECG #diagnosis
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Here’s an ECG of ... Remember that RBBB ... normally has ST ... So ANY ST Elevation ... an isolectric ST