10 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
on EKG Typical ... up, slow down; "negative ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
activity without typical ... • Negative F ... #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
) Atrial Flutter ... 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
Reverse Typical ... • 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 Criteria - Diagnostic Checklist for diagnosing MI in LBBB or Pacemaker
1) Identify LBBB or
- Diagnostic Checklist ... - Suspect STEMI ... Modified #Diagnosis #Checklist ... #EKG #electrocardiogram ... #ecg #cardiology
Modified Sgarbossa Positive ECG

Interestingly, the ECG for this case report shows development of conventional STEMI criteria
of conventional STEMI ... in that it is negative ... #Modified #EKG ... #Electrocardiogram ... #Clinical #Cardiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
SVT - Wide Tachycardias ... entirely positive or negative ... - Absence of typical ... #ekg #cardiology ... #diagnosis #electrocardiogram
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... • Sgarbossa criterion ... #EKG #diagnosis ... #differential #cardiology ... #electrocardiogram
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Diagnosis Framework STEMI ... elevation in V1 and V2 typically ... block; and sinus tachycardia ... STElevation #ST #STEMI ... #ecg #ekg #electrocardiogram