71 results
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Weakness - Differential ... Diagnosis Algorithm ... Peripheral lesion - Bilateral ... #Diagnosis #Algorithm ... #Causes #neurology
Pseudobulbar Affect
Characteristics (These episodes usually cause distress and impairment in occupational or social functioning):
 - Extreme
episodes usually cause ... Diseases: Amyotrophic Lateral ... Pseudobulbar #Affect #neurology ... #differential # ... diagnosis
Jaw Clonus on Physical Exam

A 24-year-old man presented with progressive dysphagia, dysarthria, and weakness in his
consistent with a diagnosis ... of amyotrophic lateral ... #Jaw #Clonus #PhysicalExam ... #Clinical #Video ... #ALS #Neurology
Prolonged neuromuscular blockade - Differential Diagnosis
- Drugs, Acid-base Disorders, Metabolic, Neurologic, Electrolyte abnormalities

By Mark Harris, MD
neuromuscular blockade - Differential ... Diagnosis - Drugs ... Disorders, Metabolic, Neurologic ... Mark Harris, MD MPH ... #Causes #complications
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central Causes ... Vertigo Peripheral Causes ... (TIA): • Lateral ... #differential # ... diagnosis #neurology
Causes of Primary Headaches - Differential Diagnosis Algorithm
Unilateral
 • Migraine (Throbbing/Pulsating)
Bilateral
 • Tension/Stress Headache (Tightening, Band-Like,
Causes of Primary ... Headaches - Differential ... Diagnosis Algorithm ... Primary #Headaches #Neurology ... #Causes
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
dorsum of foot and lateral ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #leg #physicalexam
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Hypertension - Differential ... Diagnosis Algorithm ... Liddle's syndrome • Bilateral ... HTN #Secondary #Nephrology ... #Differential #
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
hemianopia) - Lateral ... NeuroOphthaImoIogy #Neurology ... #Differential # ... Diagnosis #Anatomy ... #Causes #Ophthalmology
Low Anion Gap - Various causes and mechanisms of a Low Anion Gap
 • Hypoalbuminemia (1gm
Gap - Various causes ... High Calcium and Mg ... Low #AnionGap #causes ... #differential # ... diagnosis #nephrology