11 results
Brugada Syndrome - EKG Characteristics
Patients with Brugada have a pseudo-RBBB and persistent ST elevations in V1-V2.
Type
have a pseudo-RBBB ... and persistent ST ... • Downsloping ST ... wave Type 2: • ST ... ECG #diagnosis #electrocardiogram
How should the modified Sgarbossa Criteria be used in initial evaluation of patients with suspected AMI
suspected AMI with LBBB ... with AMI with LBBB ... (Validated) - ST ... AcuteCoronarySyndrome #ACS #LBBB ... #Evaluation #Algorithm
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Remember that RBBB ... normally has ST ... So ANY ST Elevation ... an isolectric ST ... Total #ECG #EKG #Electrocardiogram
ECG changes in Pulmonary Embolism
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Sinus tachycardia 
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Complete or incomplete RBBB 
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or incomplete RBBB ... Non-specific ST ... changes, including ST ... AcutePE #HighRisk #Electrocardiogram
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
diagnosing MI in LBBB ... or Pacemaker LBBB ... conducted 2) LBBB ... Discordance" = ST ... Checklist #EKG #electrocardiogram
Algorithm for the Evaluation of Regular, Wide-Complex Tachycardia
1. aVR: Is the initial deflection in aVR positive?
Algorithm for the ... consistent with either LBBB ... or RBBB? ... Interpretation #ECG #EKG #Electrocardiogram
Approach to ECGs - Syncope Syndromes
Electrolytes
 • ↑K - brady, peak T, wide QRS, no P,
imitator" • ↓ K - ST ... long QT via long ST ... Trifascicular block - RBBB ... (<360ms) PE: RBBB ... diagnosis #cardiology #electrocardiogram
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 #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Opposing leads ST ... in V4 - The ST ... morphology similar to LBBB ... cardiology #ecg #ekg #electrocardiogram
The modified Sgarbossa Rule uses proportions to identify acute AMI in the setting of ST-elevations in
the setting of ST-elevations ... in LBBB - Ratio ... of ST-elevation ... MI #Diagnosis #EM