29 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... #Multifocal #Atrial ... Tachycardia #MAT #Cardiology ... #Diagnosis #ECG ... #EKG #Management
Typical (Counterclockwise) and Reverse Typical (Clockwise) Atrial Flutter on EKG
Typical (Counterclockwise) Atrial Flutter
 • Inferior leads:
Flutter on EKG ... Flutter • Inferior ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
flutter waves in the inferior ... flutter waves in the inferior ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology
EKG in Acute Pulmonary Embolism
The sensitivity and specificity for EKG findings in acute PE are low.
EKG
EKG in Acute Pulmonary ... specificity for EKG ... EKG is helpful in ... #EKG #Pulmonary ... AcutePE #diagnosis #cardiology
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
becoming acute anterior ... Serial EKGS in pts ... Wellens #Sign #EKG ... #ECG #Electrocardiogram ... #Diagnosis #Cardiology
Isthmus Independent Atrial Flutter
 • Rapid atrial activity without typical inferior sawtooth waves suggests CTI-independent flutter
Isthmus Independent Atrial ... without typical inferior ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Typical (Counterclockwise) Atrial Flutter on EKG
 • Inferior leads: Sawtooth waves (fast up, slow down; "negative")
Flutter on EKG ... • Inferior leads ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Reverse Typical (Clockwise) Atrial Flutter on EKG
 • Inferior leads: "Positive" waves often notched (usually not
Flutter on EKG ... • Inferior leads ... Flutter #aflutter #ecg ... #ekg #electrocardiogram ... #cardiology #clinical
Atrial septal defect

An ECG may show the “crochetage” pattern (92% specific)—a notch near the apex of
Atrial septal defect ... An ECG may show ... the R wave in inferior ... larger shunt #ECG ... #EKG #Cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG ... Electrocardiogram #cardiology