18 results
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
(EKG) Digoxin ... - Decreases AV ... conduction Uses: - Atrial ... fibrillation and atrial ... #Digitalis #ECG
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... Escape Rhythm • Atrial ... Tachycardia with 2:1 AV ... diagnosis #cardiology #ecg ... #ekg #electrocardiogram
The 3 Fates of a Premature Atrial Complex
 • PAC can be conducted with normal QRS
of a Premature Atrial ... conducts through the AV ... period of the AV ... #ecg #electrocardiogram ... #premature #atrial
Atrial Fibrillation and WPW - Pre-Excitation AFib
In pre-excitation + a-fib with RVR:
 • All AV nodal
Atrial Fibrillation ... : • All AV nodal ... EricsMedicalLectures/ #Atrial ... PreExcitation #clinical #ecg ... #ekg #electrocardiogram
Ectopic atrial rhythm
 • The atrial rate is less than 100 bpm.
 • PR interval within
• The atrial ... maybe mistaken as AV ... Customary to call AV ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... • Classic EKG ... , atrial tachycardia ... #AVR #leadAVR #ecg
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... bradyarrhythmia #ECG ... #EKG #diagnosis
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
interval < 120 ms = AV ... origin within the atria ... (e.g. ectopic atrial ... • Saw-Tooth = Atrial ... @AmyChung #EKG
Atrioventricular (AV) Blocks

First Degree AV Block - "If your R is far from your P than
node (His bundle ... independently of the atria ... heartblock #cardiology #ecg ... #ekg #diagnosis ... #electrocardiogram
The 4 Variants of Sinus Arrhythmia
Phasic Sinus Arrhythmia:
 • The rate increases with respiration and decreases
increases (II, Ill and aVF ... the presence of AV ... Wandering Atrial ... cardiology #diagnosis #ekg ... #ecg #electrocardiogram