33 results
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
: • ST vs SVT ... AFIutter) • P-waves ... • Tx: Vagal maneuvers ... whether AF is cause ... Tx: Underlying cause
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... 3 different P wave ... Sinus tachycardia ... "PSVT" (atrioventricular ... differential #diagnosis #causes
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
block, or, as this case ... dual-chamber PPM set ... and an atrial tachycardia ... VivekKulkarniMD #CannonA #AWaves ... PhysicalExam #JVP #Clinical
Palpitations - Differential Diagnosis Framework

What?
• It is an unpleasant awareness or sensation that the heart is
• Bradycardia caused ... Pheochromocytoma • Pulmonary ... Arrhythmias: • SVT ... or other vagal maneuvers ... : SVT-AVNRT or AVRT
ECG changes in Pulmonary Embolism
 - 
Sinus tachycardia 
 - 
Complete or incomplete RBBB 
 -
ECG changes in Pulmonary ... Embolism - Sinus tachycardia ... - Dominant R wave ... Non-specific ST ... segment and T wave
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Opposing leads ST ... QRS complex Pulmonary ... block; and sinus tachycardia ... voltage Other Causes
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Attempt vagal maneuvers ... with caution in pulmonary ... Treat underlying cause ... with caution in pulmonary ... Treat underlying cause
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
w/ BBB (3) SVT ... (1) Sinus tachycardia ... flutter (3) SVTs ... 3 different P waves ... 200ms from longer pause
Supraventricular Tachycardia EKG

Here’s a great ECG case of a 50-year-old lady who presented with palpitations

Her heart
Supraventricular Tachycardia ... ’s a great ECG case ... distinguishing QRS from T wave ... consistent with SVT ... Cardiology #EKG #Clinical
Giant A waves caused by pulmonary HTN. There are two clearly discernible descents (X and Y)
Giant A waves caused ... by pulmonary HTN ... following the wave ... amzn.to/2LmUODZ #AWaves ... #PhysicalExam #Clinical