49 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 ... Young females Differential ... Ill Palsy - abnormal ... #neurology #ophthalmology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Extra-renal Losses: • Normal ... Renin secreting tumor ... Diagnosis #Algorithm #causes ... potassium #low #nephrology
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
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Renin-secreting tumor ... Hyperplasia • Normal ... Al, Normal R - ... #causes #low #potassium
Hirsutism & Virilization - Differential Diagnosis Algorithm
ADRENAL EXCESS
Ovarian
 • Polycystic Ovarian Syndrome
 • Hyperthecosis
 • Tumor
Adrenal
Virilization - Differential ... Tumor Low Serum ... Idiopathic Hirsutism - Normal ... #Virilization #Differential ... endocrinology #causes
Tall Stature - Differential Diagnosis Algorithm

Normal Growth (BA=CA)
 • Familial Tall Stature
 • XYY Syndrome
Obese BMI
Tall Stature - Differential ... Diagnosis Algorithm Normal ... Exogenous Obesity Normal ... #TallStature #Differential ... endocrinology #causes
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... , Tumor genesis ... Renal Losses: • Normal ... Estrogen based Rx • Normal ... ADHR, XLHR - Normal
Gynecomastia - Differential Diagnosis Algorithm
No Testicular Mass on Ultrasound
 • Adrenal Neoplasm
 • Increased Extraglomerular Aromatase
Gynecomastia - Differential ... Normal T4 and ... Klinefelter's Syndrome ... Normal Prolactin ... Diagnosis #Algorithm #causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
osmolarity If cause ... investigations abnormal ... Abdominal compartment syndrome ... • Cardio-renal syndrome ... #causes
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... Bacterial overgrowth Normal ... Laxative abuse Normal ... Chronic #Diarrhea #management ... workup #diagnosis #differential