7425 results
Clinical features of shock from dehydration in an infant

Decreased level of consciousness 
Sunken fontanelle 
Dry mucous
Clinical features ... Skin Hypotension Tachycardia ... Extremities #PhysicalExam
Cannon A Waves on Neck Examination

Cannon a waves! Notice that it occurs randomly, not predictably w/
and an atrial tachycardia ... #AWaves #Neck #PhysicalExam ... #JVP #Clinical
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
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Narrow Complex Tachycardia ... Multifocal Atrial Tachycardia ... Narrow Complex Tachycardia ... Sinus tachycardia
Status Dystonicus on Neurological Exam

Young man with recent onset worsening of his generalized dystonia , fever
Clinical features ... are fever, tachycardia ... Status #Dystonicus #clinical ... #video #physicalexam
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
SA node: Sinus tachycardia ... supraventricular tachycardias ... , Focal Atrial Tachycardia ... AV re-entrant tachycardia ... ), Ventricular tachycardia
Approach to the Hypotensive Patient - Differential Diagnosis Framework for Hypotension

Blood Pressure = Heart Rate x
sinus syndrome Tachycardia ... time): • Sinus tachycardia ... • Atrial tachycardias
Morphological Criteria for Discriminating Ventricular Tachycardia from Supraventricular Tachycardia with Aberration

Source Article: Wide Complex Tachycardia –
Supraventricular Tachycardia ... : Wide Complex Tachycardia ... – Ventricular Tachycardia ... Not Ventricular Tachycardia ... #Ventricular #Tachycardia
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Regular: • Sinus tachycardia ... nodal reentrant tachycardia ... • AV reentrant tachycardia ... • Atrial 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 ... • Ventricular Tachycardia