11 results
Mobitz II heart block is characterized on a surface ECG by intermittently nonconducted P waves not
characterized on a surface ECG ... nonconducted P waves ... non-conducted P waves ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • The cannon a wave ... activation from SVT (e.g ... 2LmUODZ #Cannon #AWaves ... diagnosis #cardiology #CVP
Counterclockwise and (Left) vs Clockwise (Right) Flutter
Typical atrial flutter is counterclockwise in direction and originates from
waves in the inferior ... waves in the inferior ... appearance on ECG ... waves. ... #EKG #Cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... EKG of the same ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #Cardiology #Neck
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... by a blocked P wave ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG ... #MobitzI #Mobitz1
Type 1 Second-degree AV block, also known as Mobitz I or Wenckebach periodicity, is almost always
electrocardiogram (ECG ... by a blocked P wave ... #Clinical #EM #IM ... Cardiology #MedStudent #EKG ... #MobitzI #Mobitz1
1. "Sinus Tach" at ~150 bpm is your cue to look for flutter waves
2. Don't trust
cue to look for flutter ... waves 2. ... #Clinical #EM #Cardiology ... #ECG #Atrial #Flutter
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Block • The P wave ... group-beating" on the ECG ... AVBlock #cardiology #ekg ... #ecg #diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... 3 different P waves ... II / Mobitz - , ... bradyarrhythmia #ECG ... #EKG #diagnosis
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... HeartBlocks #Types #Classification ... summary #Diagnosis #EKG ... electrocardiogram #ecg