16 results
Cannon A Waves of Complete Heart Block on Physical Exam
A patient presented to clinic with lightheadedness
Cannon A Waves of ... is shown on the neck ... The a wave is the ... occurs during ventricular ... UCSFIMChiefs #CannonA #AWaves
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Multifocal Atrial ... Multifocal atrial ... are blocked or ... tachycardia #cardiology #diagnosis ... #ekg #electrocardiogram
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
(e.g. ectopic atrial ... Morphology = multifocal ... Interpretation #ECG ... #Electrocardiogram ... #cardiology #diagnosis
Paroxysmal AV Block aka Ventricular Standstill
 • Abrupt and persistent AV block ( multiple P waves
( multiple P waves ... the following P wave ... #Standstill #diagnosis ... #cardiology #ecg ... #ekg #electrocardiogram
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... In AVNRT, the atria ... rapid cannon a waves ... Hussainch #Cannon #Awaves ... #PhysicalExam #JVP
Atrioventricular Blocks (AV blocks) - ECG Diagnosis Summary
First Degree AV Block
 • The P wave is
(AV blocks) - ECG ... Diagnosis Summary ... PAC or PVC, acceleration ... #ecg #diagnosis ... #electrocardiogram
Paroxysmal AV Block on ECG
 - Characterized by an abrupt and persistent AV block in the
PAC or PVC, acceleration ... escape, usually ventricular ... the following P wave ... Paroxysmal #AVBlock #diagnosis ... #ecg #electrocardiogram
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(3) Multifocal ... 3 different P waves ... - ventricular pacemaker ... #EKG #diagnosis ... #electrocardiogram
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
non-conducted P wave ... Non-conducted P waves ... P and QRS • Atrial ... degrees #summary #Diagnosis ... #EKG #electrocardiogram
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
200 msec) • P wave ... intervals until a P wave ... (ventricular complex ... completely absent, P waves ... #ekg #diagnosis