17 results
A Lewis Lead (also called the S5 lead) is a modified ECG lead used to detect
A Lewis Lead (also ... flutter is suspected clinically ... The Lewis Lead is ... #Cardiology #EKG ... #Flutter #ECGEducator
Multifocal Atrial Tachycardia (MAT) on EKG
 • Heart rate > 100 bpm (usually 100-150 bpm)
 •
morphologies in the same lead ... #Tachycardia #diagnosis ... #cardiology #EKG ... #ECG #Electrocardiogram ... #labeled #clinical
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
of PR in other leads ... indicates atrial ... indefinitely inverted #Diagnosis ... #EM #IM #Cardiology ... #Spodick #ECGEducator
Atrial Flutter on EKG
 • Regularly-occurring atrial activity
 • ≥ 240 atrial depolarizations (i.e. flutter waves)
isoelectric baseline in at ... least one lead ... Flutter #aflutter #ecg ... #cardiology #clinical ... #diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... diagnosis includes ... aVR lead. ... #ekg #differential ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... different P waves in lead ... #EKG #diagnosis ... electrocardiogram #cardiology ... #differential
Bradycardia
1) First Steps: IV, O2, Monitors, ECG, Pads on patient, Crash Cart in room. Is patient
patient, Crash Cart ... Connect ECG Leads ... #bradycardia #diagnosis ... #differential # ... management #cardiology
Causes of mitral stenosis
Rheumatic heart disease
 - Most common cause worldwide. Commissural fusion, thick MV leaflets
vegetations)/tumor (left atrial ... myxoma)/ball valve thrombus ... stenosis #Causes #diagnosis ... #differential # ... cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
In AVNRT, the atria ... simultaneously at ... are enough to diagnose ... excludes other differentials ... that’s called “clinical
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
Palpitations - Differential ... Diagnosis Framework ... Physical exam • 12-lead ... ECG • Limited ... #Differential #