9 results
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
Right) Flutter Typical ... Atypical atrial ... or areas in the ... #EKG #Cardiology ... Flutter #Types #Classification
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
(Clockwise) Atrial ... ) Atrial Flutter ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Hyperkalemia after Missed Hemodialysis - Initial electrocardiogram showed peaked T waves and a prolonged QT segment
Hemodialysis - Initial electrocardiogram ... showed peaked T waves ... A) #Clinical #Cardiology ... #EM #EKG #Hyperkalemia ... #PeakedT #NEJM
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
activity without typical ... • Negative F waves ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Typical (Counterclockwise ... ) Atrial Flutter ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Reverse Typical ... (Clockwise) Atrial ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
maker' lesion Typically ... Serial EKGS in pts ... Wellens #Sign #EKG ... #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... P and QRS • Atrial ... HeartBlocks #Types #Classification ... #electrocardiogram ... #ecg #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
elevation in V1 and V2 typically ... Disorders: • Hyperkalemia ... • Hypercalcemia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram