43 results
Multifocal Atrial Tachycardia (MAT)
• At least 3 different P wave morphologies: 
• Rate 100-180
• Irregular 
Etiology
Multifocal Atrial ... • Hypoxia • Pulmonary ... #Multifocal #Atrial ... #Cardiology #Diagnosis ... #ECG #EKG #Management
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 ... Changes • STE in aVR ... #EKG #Pulmonary
De Winter T-Waves on EKG
 - Anterior OMI
 - 2% of left anterior descending occlusions
 -
Winter T-Waves on EKG ... ST elevation in aVR ... DeWinter #TWaves #EKG ... #ECG #Electrocardiogram ... #diagnosis #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... artery (LMCA). left anterior ... • Classic EKG ... #AVR #leadAVR #ecg ... electrocardiogram #diagnosis #ekg
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
flutter waves in the inferior ... At times, the direction ... appearance on ECG ... #Diagnosis #ECG ... #EKG #Cardiology
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Atrial Fibrillation ... defibrillator at ... EricsMedicalLectures/ #Atrial ... PreExcitation #clinical #ecg ... #ekg #electrocardiogram
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
Typical ECG changes ... depression in aVR ... leads indicates atrial ... patients) stage 4 - ECG ... #EKG #Pericarditis
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... junction origin (e.g ... (e.g. ectopic atrial ... @AmyChung #EKG ... Interpretation #ECG
Osborn waves - positive deflections at the J point (negative in aVR and V1) with a
point (negative in aVR ... This EKG was recorded ... #EKG #EmergencyMedicine ... #CriticalCare # ... Electrocardiogram #ECG