40 results
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
intestinal calcium absorption ... and stimulates resorption ... kidney, Stimulates resorption ... Pathophysiology #Differential ... #Diagnosis #algorithm
Upper GI Bleed - Management Algorithm

Upper GI bleed Suspected: Melena, hematemesis, coffee-ground emesis, BRBPR
Initial Stabilization
Concern for
Bleed - Management Algorithm ... coffee-ground emesis ... Consult GI ± EGD ... UGIB #GIBleed #Differential ... Diagnosis #management #Algorithm
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - Differential ... Diagnosis Algorithm ... - Calcium Reabsorption ... Hypercalcemia #Differential ... #Diagnosis #Algorithm
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... Diagnosis Algorithm ... • Decreased GI Absorption ... Alkalosis, Tumor Genesis ... #Diagnosis #Algorithm
Pediatric Vomiting - Gastrointestinal and Systemic Causes - Differential Diagnosis Algorithm
Hepatobiliary:
 • Acute Hepatitis
 • Acute
Systemic Causes - Differential ... Diagnosis Algorithm ... Gastroenteritis • Gastric/Duodenal ... Psychogenic #Emesis ... #Diagnosis #Algorithm
Hypophosphatemia - Differential Diagnosis Algorithm
 • Decreased intake/absorption: Starvation, Alcoholism, Malabsorption, Phosphate binder use
 • Redistribution/
Hypophosphatemia - Differential ... Diagnosis Algorithm ... Decreased intake/absorption ... Hypophosphatemia #Differential ... #Diagnosis #Algorithm
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
Hyperphosphatemia - Differential ... Diagnosis Algorithm ... Increased Intake / Absorption ... HighPhosphate #Differential ... #Diagnosis #Algorithm
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria - Differential ... Diagnosis Algorithm ... MGUS - Poor reabsorption ... Protein deposition (eg ... #Diagnosis #Algorithm
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... diarrhea, Poor absorption ... syndrome, Tumor genesis ... Hypophosphatemia #Differential
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Dieulafoy lesion • Duodenum ... Lower #GIBleed #differential ... diagnosis #Causes #algorithm