783 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
Pharmacology of diuretics

Acetazolamide, Loop diuretics, Thiazide‐like diuretics, MRA, Amiloride

Site of Action, Maximum Dose, Half-Life, Onset, Bioavailability,
Half-Life, Onset, Bioavailability ... , Absorption #
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
 • 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 Hypercalcemia
Hypercalcemia due to increased bone Ca2+ resorption:
 • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
increased bone Ca2+ resorption ... increased GI Ca2+ absorption ... Hypercalcemia #Causes #differential
The following table from MacGregor (1997) summarizes the bioavailability of many commonly used antibiotics:
#EBM #Pharmacology #InfectiousDiseases
summarizes the bioavailability ... #Antibiotics #Absorption ... PeakSerumLevels #Bioavailability
The Pathophysiology of Fat Absorption and Causes of Malabsorption (steatorrhoea)

#Fat #Malabsorption #Pathophysiology #Differential #Steatorrhea #Diarrhea #Diagnosis
Pathophysiology of Fat Absorption ... Pathophysiology #Differential
Algorithmic Approach and Differential Diagnosis - Hypercalcemia
#Diagnosis #Hypercalcemia #Differential #Algorithm #Workup
Algorithmic Approach ... and Differential ... Hypercalcemia #Differential ... #Algorithm #Workup
Causes of Recurrent Pregnancy Loss - Differential Diagnosis Algorithm
Environmental:
 • Toxin (organic solvents, mercury, lead)
 •
Pregnancy Loss - Differential ... Diagnosis Algorithm ... #Spontaneous #Abortion ... #Differential # ... Diagnosis #Algorithm