336 results
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Abnormal Variability:
Bradycardia and Tachycardia ... : Decelerations ... • Variable decelerations ... • Late decelerations ... Fetal + Maternal Tachycardia
Fetal Heart Rate Decelerations

Decelerations in fetal heart rate are more complicated and should be interpreted according
Fetal Heart Rate Decelerations ... Decelerations ... three types of decelerationvariable ... timing of the deceleration ... #Early #Late #Variable
Intrapartum Abnormal Fetal HR Tracing - Causes of Variability & Decelerations - Differential Diagnosis Algorithm
Minimal/Absent Variability
Variability & Decelerations ... contractions) Variable ... decelerations: ... if complicated variable ... decelerations
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Narrow Complex Tachycardia ... regular rhythm with variable ... Narrow Complex Tachycardia ... Sinus tachycardia
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Rhythm: Sinus tachycardia ... flutter, Junctional tachycardia ... Atrial flutter w/ variable ... Multifocal atrial tachycardia ... Atrial flutter with variable
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Supraventricular Tachycardias ... Ventricle • Sinus Tachycardia ... • Atrial Tachycardia ... Nodal Reentry Tachycardia ... • AV Reentry Tachycardia
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... Regular: Sinus Tachycardia ... , Junctional Tachycardia ... , Atrial Tachycardia ... Atrial Flutter (w/ variable
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... nodal reentrant tachycardia ... • AV reentrant tachycardia ... • Atrial tachycardia ... Atrial flutter with variable
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
• Sinus Tachycardia ... Ectopic Atrial Tachycardia ... AFIutter with Variable ... Multifocal Atrial Tachycardia ... Irregular Rhythm (variable
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
Supraventricular Tachycardia ... Regular SVT: Sinus Tachycardia ... Ectopic Atrial Tachycardia ... PACs, AFIb w/ variable ... Supraventricular #Tachycardia