237 results
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow ... reexposed to light; • Normal ... Young females Differential ... #PhysicalExam #neurology ... #ophthalmology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Hypocalcemia - Differential ... /NormaI PTH ... PHOSPHATE - Normal ... /NormaI PTH ... #Hypocalcemia #Differential
Congenital Nystagmus on Physical Exam
These abnormal eye movements were found in a patient with albinism. What
achromatopsia, & formal ... ophthalmology evaluation ... Cooper Neurology ... clinical #video #neurology ... #ophthalmology
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential ... Hyperplasia • Normal ... Al, Normal R - ... #Hypokalemia #Differential ... Diagnosis #Algorithm #nephrology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Algorithm Relative - Normal ... JAK-2 Positive - Low ... Abdominal Ultrasound ... Erythrocytosis #Differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Extra-renal Losses: • Normal ... Acid-Base: Low ... #Hypokalemia #Differential ... #nephrology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Hypercalcemia - Differential ... Algorithm High or Normal ... Hypercalcemia Low ... Malignancy • Normal ... PTHrP: - Low
Low Anion Gap - Various causes and mechanisms of a Low Anion Gap
 • Hypoalbuminemia (1gm
Low Anion Gap - ... mechanisms of a Low ... anion gap) • Normal ... AnionGap #causes #differential ... #diagnosis #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... or Low PTH: ... or Low FGF-23: ... Hypophosphatemia #Differential ... Workup #phosphate #nephrology
Hyperaldosteronism - Etiologies of Mineralocorticoid Excess

Primary Hyperaldosteronism (Normal or Low Renin, High Aldosterone) 
 - Aldosterone-secreting
Hyperaldosteronism (Normal ... or Low Renin, High ... or Low Renin, Normal ... or Low Aldosterone ... Hyperaldosteronism #Differential