25 results
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
with Complete Heart ... Block and Accelerated ... Tachycardia with 2:1 AV ... Block • Bidirectional ... #diagnosis #cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
type of cardiac arrhythmia ... The arrhythmias ... Complete heart block ... , sino-atrial (SA ... #Diagnosis #Cardiology
Wolff-Parkinson White 
Preexcitation syndrome where an accessory pathway (Bundle of Kent) directly connects the atria 
and
accessory pathway (Bundle ... directly connects the atria ... and ventricles ... to bypass the AV ... WolffParkinsonWhite #WPW #Cardiology
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
As the heart ... • As the heart ... the presence of AV ... Wandering Atrial ... #cardiology #diagnosis
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
- Decreases AV ... fibrillation and ... rate control) - Heart ... #Cardiology #Digitalis ... #ECG
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
As the heart ... • As the heart ... the presence of AV ... Wandering Atrial ... #cardiology #diagnosis
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
" • Complete Heart ... independently of the atria ... #Blocks #heart ... #heartblock #cardiology ... #ecg #ekg #diagnosis
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
to excite left atrium ... atrioventricular (AV ... - From the AV ... #Anatomy #Cardiology ... #Cardiac #Heart
Multifocal Atrial Arrhythmias on ECG
Multifocal atrial rhythm & Multifocal atrial tachycardia
ECG Recognition:
 • Variable P wave
Arrhythmias on ... ECG Multifocal ... Irregular P P, RR and ... because one of the bundle ... #tachycardia #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
QRS • Atrial ... • Block in AV ... (block beyond AV ... electrocardiogram #ecg ... #cardiology