485 results
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... dissociation + retrograde
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
obvious P (or retrograde ... differential #diagnosis #causes
Intrapartum Abnormal Fetal HR Tracing - Causes of Bradycardia and Tachycardia - Differential Diagnosis Algorithm
Abnormal Variability:
Fetal HR Tracing - Causes ... Variability (< 5 bpm ... Variability (> 25 bpm ... Diagnosis #Algorithm #Causes
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
hypovolaemia or combined causes ... pressure as a cause ... heart rate <60 bpm ... heart rate >100 bpm ... heart rate >100 bpm
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Causes of Facial ... Sparing = Central cause ... Diagnosis #Algorithm #Causes ... #neurology #sparing
Persistent Pupillary Membrane (PPM) on Slit Lamp Ocular Examination

This membrane would be a remainder of the
Pupillary Membrane (PPM ... large enough to cause ... @oftalmopo #PPM
Causes of Proximal Muscle Weakness That May Mimic Inflammatory Myopathy
 • Central or peripheral neurologic disease
Causes of Proximal ... or peripheral neurologic ... #differential #causes ... #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Dysfunction - Nausea ... Dysfunction - Imbalance, neurologic ... Dizziness #Vertigo #Neurology ... Diagnosis #Algorithm #Causes
Schematic examples of the cause of acute mitral regurgitation. 
LV, left ventricle; PM, papillary mucle; SAM,
examples of the cause ... left ventricle; PM ... MR #Diagnosis #Causes
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
many different causes ... the commonest cause ... #Bells #Palsy #Neurology