18 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Adie's Pupil What ... Unknown nature & benign ... females Differential Diagnosis ... #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 ... 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
 •
Differential Diagnosis ... bulbocavernosus reflex ... wink test - reflex ... #differential #diagnosis ... #causes #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Differentiating Benign ... Neuritis-Labyrinthitis BENIGN ... ) • Epley maneuver ... Labyrinthitis #diagnosis ... #neurology #comparison
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
Usually bilateral - Abscent ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Renovascular HTN, Renin ... hyperaldosteronism • HTN Absent ... #Differential #Diagnosis ... potassium #low #nephrology
Retinoblastoma: Pathogenesis and clinical findings
 • Sporadic mutation -> One allele of RB1 tumor suppressor gene
• Leukocoria (absent ... partial retinal red reflex ... pathophysiology #ophthalmology ... #diagnosis #signs
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
unresponsiveness; the absence ... Differential Diagnosis ... • Gag reflex ... #PhysicalExam #neurology ... #comatose #diagnosis
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
- Differential Diagnosis ... hydronephrosis on U/S) • Reflux ... nephropathy • Benign ... KidneyDisease #Nephrology ... #Differential #Diagnosis
Upper Versus Lower Motor Neuron Findings

Denervation near the target muscle fibers (lower motor neuron disease) results
limb of spinal reflexes ... The absence of nourishing ... Versus #Findings #Diagnosis ... #Table #Neurology