22 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 ... very sensitive diagnostic ... Dr. ... Pupillary #Defect #Neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... females Differential Diagnosis ... 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 ... #differential #diagnosis ... #table #neurology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... Unresponsive wakefulness syndrome ... • Locked-in syndrome ... Pupils: • Anisocoria ... #PhysicalExam #neurology
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
Horner's syndrome ... (constricted pupil ... make med - Dr ... #Overview #Ophthalmology ... #Diagnosis #Neurology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential Diagnosis ... paraproteinemia, acute ... Osmotic diuresis Dr ... #phosphate #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential Diagnosis ... t-PA, heparin Acute ... Rhabdomyolysis, Tumor lysis syndrome ... Bisphosphonates Dr ... #phosphate #nephrology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
- Differential Diagnosis ... depletion • Afferent ... inhibitors, hepatorenal syndrome ... #Differential #Diagnosis ... #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Hyperphosphatemia, Acute ... metastases, Hungry bone syndrome ... Dr. ... #Algorithm #nephrology