11 results
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
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... bone syndrome, Tumor ... or Low PTH: ... or Low FGF-23: ... #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
transfusion • Tumor ... Nephropathy Renin Normal ... , Renin High: ... hypoplasia Aldosterone high ... #potassium #differential
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Extra-renal Losses: • Normal ... Syndrome • HTN, High ... Renin secreting tumor ... Algorithm #causes #potassium ... #low #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
the basis of the potassium-to-creatinine ... Renin secreting tumor ... Liddle syndrome Low-normal ... • Distal RTA Low-normal ... #differential #
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... and High PTH LOW ... Tumor lysis syndrome ... rhabdomyolysis, oral ... phosphate abuse
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... Appropriately Low ... Respiratory Alkalosis, Tumor ... Inappropriately High ... Diagnosis #Algorithm #nephrology
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
urinary losses: • High ... /Normal Blood Pressure ... diagnosis #Algorithm #differential ... #potassium #nephrology ... #low
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
reexposed to light; • Normal ... Young females Differential ... trauma/orbital tumor ... #Adies #Pupil #PhysicalExam ... #neurology #ophthalmology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
/low blood pressure ... to diarrhea, a high ... of sodium and potassium ... urine #Algorithm #nephrology ... #differential #