11 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Inferior leads ... • Inferior leads ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
without typical inferior ... • Negative F ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
De Winter T Wave ECG Pattern 
STEMI Equivalent - Left anterior descending (LAD) occlusion 

1) Upsloping
Pattern STEMI ... Equivalent - Left anterior ... #EKG #Electrocardiogram ... #Diagnosis #Cardiology ... #Criteria
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
on EKGInferior ... up, slow down; "negative ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
on EKGInferior ... • V1: Broad & negative ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Here’s an ECG of a patient with 100% Acute LAD Occlusion

Remember that RBBB normally has ST
Here’s an ECG of ... considered to have ’relative ... STEMI Criteria misses ... #EKG #Electrocardiogram ... #Clinical #Cardiology
Modified Sgarbossa Positive ECG

Interestingly, the ECG for this case report shows development of conventional STEMI criteria
of conventional STEMI ... patient’s native ... in that it is negative ... #Electrocardiogram ... #Clinical #Cardiology
Modified Sgarbossa Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
Modified Sgarbossa Criteria ... : odd QRS from native ... - Suspect STEMI ... #electrocardiogram ... #ecg #cardiology
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
on ECG • Conventional ... • Sgarbossa criterion ... #Equivalents #ECG ... #differential #cardiology ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... QRS complex Pulmonary ... anteroseptal and inferior ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram