15 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus bradycardia ... tachycardia • Atria ... : Premature Atrial ... #Diagnosis #Causes ... #cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
seen are sinus bradycardia ... heart block, sino-atrial ... Non-paroxysmal atrial ... The various ECG ... #EKG #ECG #Digoxin
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
bpm) • Sinus Bradycardia ... • Premature atrial ... Monofocal Ectopic Atrial ... Aflutter • AVNRT ... • Multifocal Atrial
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Premature atrial ... pathway back up to atrium ... depolarizes the atria ... ECG usually shows ... Pathophysiology #cardiology
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
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
convert - Possible atrial ... flutter, ectopic atrial ... Control rate (e.g ... Rhythm: • Probable atrial ... Control rate (e.g
Digoxin effect on Electrocardiogram (EKG)
Digoxin is a cardiac glycoside from the foxglove leaf
Mechanism
 - Inhibits Na-K
: - Atrial fibrillation ... and atrial flutter ... Digoxin effect on ECG ... Electrocardiogram #EKG ... #ECG
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... aVR • Classic EKG ... , AVRT, atrial tachycardia ... #AVR #leadAVR #ecg
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... by atrial contracting ... , it indicates AV ... dissociation + retrograde atrial ... activation from SVT (e.g
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
exam • 12-lead ECG ... Paroxysmal AF, atrial ... flutter, or atrial ... • Multifocal atrial ... Valvular disease (e.g