70 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
reexposed to light; • Normal ... Holmes-Adie Syndrome ... Ill Palsy - abnormal ... dissociation • Other causes ... #neurology #ophthalmology
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
- Jaw Winking Syndrome ... thought to be caused ... by abnormal innervation ... clinical #video #neurology ... #physicalexam #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Extra-renal Losses: • Normal ... Renin secreting tumor ... #Algorithm #causes ... potassium #low #nephrology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
result is positive (abnormal ... and negative (normal ... with a central cause ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Differentiation Between Nephrotic Syndrome and Nephritic Syndrome 
== Nephrotic Syndrome ==
Onset - Insidious 
Edema - ++++
Blood
Blood pressure - Normal ... venous pressure - Normal ... Red blood cell casts ... Serum albumin - Normal ... #Diagnosis
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Renin-secreting tumor ... Hyperplasia • Normal ... Al, Normal R - ... #Algorithm #nephrology ... #causes #low #potassium
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
- Differential Diagnosis ... Tumor Low Serum ... Idiopathic Hirsutism - Normal ... #Differential #Diagnosis ... endocrinology #causes
Tall Stature - Differential Diagnosis Algorithm

Normal Growth (BA=CA)
 • Familial Tall Stature
 • XYY Syndrome
Obese BMI
- Differential Diagnosis ... Algorithm Normal ... Exogenous Obesity Normal ... #Differential #Diagnosis ... endocrinology #causes
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
- Differential Diagnosis ... Normal T4 and ... Klinefelter's Syndrome ... Normal Prolactin ... #Algorithm #causes
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... , Tumor genesis ... Renal Losses: • Normal ... Estrogen based Rx • Normal ... ADHR, XLHR - Normal