28 results
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Syndrome (SSS) • AV ... Tachycardia (FAT ... Tachycardia (MAT ... ) • AV node: AV ... (AVRT), AV nodal
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Tachycardia (MAT ... 3 different P wave ... retrograde) - AVNRT, AVRT ... #differential # ... diagnosis #causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... Subepicardial atrial ... , atrial tachycardia ... #differential # ... cardiology
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
AV dissociation ... : 3rd deg AV block ... for DDI and an atrial ... tachycardia much ... Clinical #Video #Cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
tachycardia (MAT ... rhythms (5) AV ... QRS - Proximal AV ... block (lower AV ... Wide QRS - Distal AV
EKG Interpretation Cheat Sheet
1) Rate 
 - Regular - Count-Off 
 - Irregular - Count number
EKG Interpretation ... interval < 120 ms = AV ... (e.g. ectopic atrial ... bradycardia • J ... Electrocardiogram #cardiology
Almost any type of cardiac arrhythmia is seen in digitalis toxic­ity. However, type II second-degree atrioventricular
atrioventricular (AV ... , first-degree AV ... tachycardia with ... #Diagnosis #Cardiology ... #EKG #ECG #Digoxin
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
Visual Guide to AV ... Pathophysiology - Dual AV ... stays inside the AV ... Visualmedapp #AV ... Pathophysiology #cardiology
Typical ECG changes in acute pericarditis includes: stage 1 - diffuse, positive, ST elevations with reciprocal
depression in aVR ... PR segment in aVR ... leads indicates atrial ... inverted #Diagnosis #EM ... #IM #Cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Probably AVnRT or AVRT ... Control rate with AV ... Control rate (e.g ... flutter or MAT ... Treatment #management #cardiology