234 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... dissociation • Other causes ... trauma/orbital tumor ... #neurology #ophthalmology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
in Wonderland Syndrome ... macropsia), color, movement ... (e.g. stroke, tumor ... #diagnosis #neurology ... #differential
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... - Vertigo - Differential ... Illusion of Rotary Movement ... Dizziness #Vertigo #Neurology ... #Differential #
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... - Intracranial tumor ... Infection, Compression Tumor ... Facial #Weakness #Differential ... #neurology #sparing
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Renin secreting tumor ... #Hypokalemia #Differential ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
Causes of Dizziness - Vertigo and Lightheadedness - Differential Diagnosis Algorithm
 • True Vertigo - Illusion
Causes of Dizziness ... Lightheadedness - Differential ... Illusion of Rotary Movement ... Vertigo #Dizzy #Neurology ... #Differential #
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... Renin-secreting tumor ... #hypokalemia #differential ... #nephrology #potassium
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Sensory Changes - Differential ... Weakness #Sensory #Neurology ... #Differential # ... Diagnosis #Algorithm #Causes
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Localizing Extraocular Movement ... One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... #differential #
Causes of Excessive Daytime Sleepiness - Differential Diagnosis Algorithm
Insufficient Sleep
 • Poor Sleep Hygiene
 • Insomnia
Causes of Excessive ... Daytime Sleepiness - Differential ... Restless Legs Syndrome ... Periodic Limb Movement ... Disorders • Neurologic