9 results
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Eric Strong @DrEricStrong ... - Strong Medicine ... #aflutter #ecg ... #cardiology #clinical ... #diagnosis #comparison
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Eric Strong @DrEricStrong ... - Strong Medicine ... #aflutter #ecg ... #cardiology #clinical ... #diagnosis
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Counterclockwise) Atrial Flutter ... - Strong Medicine ... #aflutter #ecg ... #cardiology #clinical ... #diagnosis
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
Eric Strong @DrEricStrong ... - Strong Medicine ... #aflutter #ecg ... #cardiology #clinical ... #diagnosis
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Clockwise) Atrial Flutter ... - Strong Medicine ... #aflutter #ecg ... #cardiology #clinical ... #diagnosis
Accelerated Idioventricular Rhythm (AIVR) on EKG
 • Regular rhythm with wide. 
 • QRS complexes >120
Idioventricular Rhythm (AIVR ... complexes >120 ms ... Idioventricular #Rhythm #AIVR ... #diagnosis #cardiology ... #clinical
Pericarditis on EKG
Stage 1 - Widespread ST elevation (<5mm) and PR depression; In aVR: ST depression
depression; In aVR ... Eric Strong @DrEricStrong ... - Strong Medicine ... #cardiology #diagnosis ... #clinical
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
Saw-Tooth = Atrial Flutter ... all leads except aVR ... Interpretation #ECG ... Electrocardiogram #cardiology ... #diagnosis #system
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Change in clinical ... one post op Cardiology ... • <6mo since stroke ... medical and surgical management ... stratification #diagnosis