14 results
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil ... pupillary light reflex ... By Dr. ... #Marcus #Gunn #Pupil ... #Defect #RAPD #neurology
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Marcus Gunn's pupils ... the pupillary reflex ... Dr. ... Pupillary #Defect #Neurology ... Clinical #Video #Pupils
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... and light By Dr ... #PhysicalExam #neurology ... #ophthalmology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Polyneuropathy, Acute ... Late ALS - Dr ... Testing #Causes #differential ... diagnosis #table #neurology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential ... t-PA, heparin Acute ... Rhabdomyolysis, Tumor lysis syndrome ... Bisphosphonates Dr ... #phosphate #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... paraproteinemia, acute ... Osmotic diuresis Dr ... #phosphate #nephrology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
consciousness Differential ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Pupils: • Anisocoria ... #PhysicalExam #neurology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
- Differential ... Hyperphosphatemia, Acute ... metastases, Hungry bone syndrome ... Dr. ... Diagnosis #Algorithm #nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
Kidney Injury AKI - Differential ... depletion • Afferent ... inhibitors, hepatorenal syndrome ... #KidneyInjury #Differential ... #Diagnosis #nephrology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Urgent condition due ... spine • MCC- acute ... • Provocative Tests ... #differential # ... diagnosis #causes #neurology