6 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves ... • Caused by atrial ... , it indicates AV ... dissociation + retrograde atrial ... activation from
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
Cannon A waves during ... the atria and ventricles ... EKG of the same ... excludes other differentials ... #Awaves #AVNRT
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
cardiac glycoside from ... - Decreases AV ... : - Atrial fibrillation ... and atrial flutter ... #Cardiology #Digitalis
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
) - Pathophysiology ... incoming current from ... - Premature atrial ... - In most case ... #cardiology #SVT
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... electrocardiogram #cardiology ... #differential
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
300 = NSVT EKG ... capture of the atria ... arrhythmia • Atrial ... fibrillation ... #cardiology