17 results
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
atrial flutter ... flutter is suspected ... waves may be more ... #Cardiology #EKG ... #Flutter #ECGEducator
De Winter's T Waves

Concerning for proximal LAD occlusion (Present in 2% of patients)
 • Upsloping ST-Depression
ST-Depression at ... J Point in leads ... in leads V1-V4 ... #EKG #ECG #diagnosis ... #cardiology #electrocardiogram
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
Multifocal Atrial Tachycardia ... (MAT) on EKG ... 3 distinct P-wave ... morphologies in the same lead ... #diagnosis #cardiology
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
leads. ... At times, the direction ... leads. ... waves. ... #EKG #Cardiology
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
waves) / min ... isoelectric baseline in at ... least one lead ... #aflutter #ecg ... #cardiology #clinical
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper
(PSVT), atrial flutter ... Symptoms may include ... Clinical #MedStudent #Cardiology ... #EKG #SVT #SupraVentricularTachycardia ... #ECGEducator
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
of PR in other leads ... left heart V5, V6 leads ... Diagnosis #EM #IM #Cardiology ... #EKG #Pericarditis ... #Spodick #ECGEducator
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(MAT) - 3 ... different P waves ... in lead II ... #EKG #diagnosis ... electrocardiogram #cardiology
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... Saw-Tooth = Atrial Flutter ... bradycardia • J ... @AmyChung #EKG ... Electrocardiogram #cardiology
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
QT interval J ... the J point in ... block; and sinus tachycardia ... differential #diagnosis #cardiology ... #ecg #ekg #electrocardiogram