8 results
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Isthmus Independent ... Atrial Flutter ... #ecg #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Typical atrial ... cavo-tricuspid isthmus ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Typical (Clockwise) Atrial ... Flutter on EKG ... #ecg #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis #comparison
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
Atrial Flutter on ... EKG • Regularly-occurring ... #ecg #ekg #electrocardiogram ... #cardiology #clinical ... #diagnosis
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial ... Flutter on EKG ... Counterclockwise #Atrial ... #cardiology #clinical ... #diagnosis
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Typical (Clockwise) Atrial ... Flutter on EKG ... Typical #Clockwise #Atrial ... #cardiology #clinical ... #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Flutter PR Interval ... @AmyChung #EKG ... Electrocardiogram #cardiology ... #diagnosis #system
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
determine if stress test ... indicated • EKG ... Obtain EKG if: ... Change in clinical ... stratification #diagnosis