25 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Density of water SG ... to ADH) • ATN SG ... Dehydration • SIADH (syndrome ... Interpretation #diagnosis #differential ... #nephrology
Abnormally Colored Urine - Differential Diagnosis Framework
Red:
 - Hematuria, Hemoglobinuria, Myoglobinuria
 - Beets, Rhubarb, Blackberries, Artificial
Colored Urine - Differential ... - Purple urine bag ... syndrome (chronically ... Discoloration #Differential ... #Diagnosis #nephrology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis and Miosis - Differential ... response, Serotonin syndrome ... Miosis: Horner's syndrome ... Robertson pupils), DM, SAH ... #diagnosis #ophthalmology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
encephalitis, SAH ... vasoconstriction syndrome ... pulsations on funduscopy ... vasoconstriction syndrome ... symptoms #clues #differential
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... Young females Differential ... #PhysicalExam #neurology ... #ophthalmology
Priapism 

Secondary Causes:
Medications- intracavernosal injections, anticoagulants, PDE5 inhibitors, alpha blockers, methylphenidate, cocaine
Any hyperviscosity syndrome (SCD, leukemia,
hyperviscosity syndrome ... Priapism #Diagnosis #Management ... #Urology #Differential
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... Neurogenic Ptosis - Neurologic ... #Ptosis #neurology ... #Differential # ... Diagnosis #ophthalmology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... acidosis Step 5 - Differential ... D-lactate (short bowel syndrome ... Diagnosis #Summary #Nephrology ... Base #Gas #VBG #differential
Helicobacter Pylori (H. pylori) Infection - Diagnosis and Management - GrepMed Handbook
Presentation: Dyspepsia / Peptic Ulcer
Diagnosis and Management ... 50% of adults +serology ... (IgG) - cannot differentiate ... past infection Management ... resistance): Stool Ag