98 results
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Urine Cl-: Vomiting ... Diuretics, Bartter Syndrome ... , Gitelman Syndrome ... GRA, Cushing's syndrome ... , Liddle syndrome
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Urine Cl-: Vomiting ... Diuretics, Bartter Syndrome ... , Gitelman Syndrome ... GRA, Cushing's syndrome ... , Liddle syndrome
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Aldosterone: Liddle's Syndrome ... SAME, Cushing Syndrome ... diuretics, Bartter syndrome ... , Gitelman syndrom ... #nephrology
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Aldosterone: Cushing syndrome ... 17alpha-hydroxylase deficiency, Syndrome ... excess, Liddle syndrome ... deficiency, Bartter syndrome ... , Gitelman syndrome
Vertebral Body Abnormalities

A sheet of common (and uncommon) vertebral body findings, because a completely “normal” spine
Vertebra Hurler Syndrome ... Morquio Syndrome ... Abnormalities #Radiology ... #MSK #Pathology ... Vertebrae #diseases #differential
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... leukemia Measure Urine ... alkalosis, Hungry bone syndrome ... Tumor genesis syndrome ... FGF-23: Fanconi syndrome
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Hypercalcemia - Differential ... Hypercalcemia Low ... PTHrP: - Low ... disease, Milk Alkali Syndrome ... disease, Viral Syndromes
Cushing Syndrome Testing Algorithm
INDICATIONS FOR TESTING:
 • Suspected Cushing syndrome (central obesity, muscle weakness, refractory hypertension)
Testing:
Cushing Syndrome ... Suspected Cushing syndrome ... Cortisol, Free Urine ... Cortisol, Saliva • Low ... ARUPLabs #Cushing #Syndrome
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
↓ Aldosterone: Syndrome ... excess, Liddle's syndrome ... Diuretics, Bartter syndrome ... , Gitelman syndrome ... diagnosis #Algorithm #differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... • Nephrotic syndrome ... Hypo-osmolar urine