16 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Unknown nature & benign ... Holmes-Adie Syndrome ... Young females Differential ... #PhysicalExam #neurology ... #ophthalmology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
Absence of bilateral ... clinical #video #ophthalmology ... #ross #syndrome ... #bilateral #reflex ... #neurology #absent
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Sciatica: often bilateral ... constipation Differential ... Examination - bilateral ... #differential # ... diagnosis #causes #neurology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Renovascular HTN, Renin ... hyperaldosteronism • HTN Absent ... #Hypokalemia #Differential ... potassium #low #nephrology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Hypertension - Differential ... • Bilateral RAS ... steroids) • Renin-Angiotensin ... HTN #Secondary #Nephrology ... #Differential #
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
- Labyrinth: Benign ... (TIA): • Lateral ... medullary syndrome ... Central #Causes #differential ... #diagnosis #neurology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Adrenal adenoma, Bilateral ... excess, Liddle syndrome ... , Gitelman syndrome ... urine #potassium #differential ... algorithm #diagnosis #nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
unresponsiveness; the absence ... consciousness Differential ... • Locked-in syndrome ... dysfunction to the bilateral ... #PhysicalExam #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... photophobia - Bilateral ... migraine - Benign ... #diagnosis #ophthalmology ... #Neurology
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... in deep tendon reflexes ... involved - Bilateral ... #lesions #differential ... #diagnosis #neurology