3544 results
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
RVR: • All AV nodal ... at bedside • Cardiology ... PreExcitation #clinical #ecg ... #ekg #electrocardiogram ... #cardiology
Second Degree Heart Block, Mobitz Type I (Wenckebach)

P waves and QRS complexes are normal but... 
•
within the AV node ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
Electrocardiogram (EKG ... - Decreases AV nodal ... Electrocardiogram #EKG ... #Cardiology #Digitalis ... #ECG
Junctional Rhythms - Junctional rhythm describes an abnormal heart rhythm resulting from impulses coming from a
atrioventricular node ... #Cardiology #MedStudent ... #EKG #Junctional
Second Degree Heart Block, Mobitz Type II

• p waves are normal 
• QRS complexes are usually
is below the AV node ... HeartBlock #Diagnosis #Cardiology ... #EKG #ECG #Electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
through the AV node ... period of the AV node ... #PACs #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram
Second degree AV Block type II (aka Mobitz II)
 • There is constant PR interval (normal
the block (AV node ... Type2 #diagnosis #cardiology ... #ecg #ekg #electrocardiogram
Normal Sinus Rhythm - ECG Diagnosis
Normal sinus rhythm (NSR) is an impulse that originates in the
Sinus Rhythm - ECG ... originates in the sinus node ... ECG Recognition: ... SinusRhythm #nsr #cardiology ... #diagnosis #ekg
Class I Antiarrhythmics and their Key Pharmacologic Properties

Class IA = Quinidine, Procainamide, Disopyramide ("Quarter PounDer")
Class IB
is found in non-nodal ... velocity in non-nodal ... in wide QRS on EKG ... prolonged QT on EKG ... Pharmacology #Agents #Cardiology
Wandering atrial pacemaker - ECG Diagnosis
 • The change in P wave contour is gradual
 •
atrial pacemaker - ECG ... back to the sinus node ... atrial #pacemaker #cardiology ... #diagnosis #ekg ... #ecg #electrocardiogram