8 results
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
3 different P wave ... A regular rhythm ... retrograde) - AVNRT ... , AVRT, Junctional ... diagnosis #causes #cardiology
Cannon A waves during AVNRT on Physical Exam
In AVNRT, the atria and ventricles contract nearly simultaneously
the atria and ventricles ... EKG of the same ... differentials of narrow ... #AVNRT #PhysicalExam ... #JVP #Cardiology
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
P waves. ... deflection not AVRT ... /AVNRT. ... • Atrial Flutter ... Diagnosis #Management #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Treatment of Stable Narrow-Complex ... Tachycardia Regular ... Converts - Probably AVnRT ... Control rate (e.g ... Treatment #management #cardiology
Visual Guide to AV Nodal Reentrant Tachycardia (AVNRT) - Pathophysiology
 - Dual AV nodal physiology is
- Premature atrial ... depolarizes the atria ... ECG usually shows ... : regular narrow ... Pathophysiology #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Subepicardial atrial ... aVR • Classic EKG ... tachycardia • Narrow ... , AVRT, atrial tachycardia ... #differential #cardiology
Summary of Heart Blocks
1st Degree Heart Block:
 • Prolonged PR >200ms (5 small squares).
 • Narrow
Narrow & regular ... Narrow & irregular ... P and QRS • Atrial ... summary #Diagnosis #EKG ... #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
- Regular ( ... from SA node Narrow ... 3 different P waves ... #EKG #diagnosis ... electrocardiogram #cardiology