21 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
result is positive (abnormal ... and negative (normal ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... VestibularSyndrome #Posterior #CVA
Stroke - Differential Diagnosis Algorithm and Management
Hemorrhagic:
 • Intracerebral: HTN, Cerebral Amyloid Angiopathy, Trauma, Bleeding Diathesis,
- Differential Diagnosis ... Algorithm and Management ... SCVMCMed #Stroke #CVA ... #Algorithm #management ... #neurology #treatment
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Hypokalemia Differential Diagnosis ... Algorithm Hypertensive ... Hyperplasia • Normal ... Al, Normal R - ... #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... Losses: • Normal ... #Algorithm #causes ... #nephrology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
- Differential Diagnosis ... Algorithm High ... or Normal PTH: ... Hypercalcemia Low ... #nephrology #PTH
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
in patient with normal ... Testing #Stroke #physicalexam ... #diagnosis #neurology ... #cva
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... or Low PTH: ... or Low FGF-23: ... Fanconi syndrome, CA ... Workup #phosphate #nephrology
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
renal function is normal ... Hypomagnesemia #algorithm ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow ... reexposed to light; • Normal ... females Differential Diagnosis ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Liddle syndrome Low-normal ... • Distal RTA Low-normal ... #differential #algorithm ... #diagnosis #nephrology