2960 results
diagnosis differential clinical algorithm management neurology cardiology video physicalexam radiology pocus pathophysiology nephrology pharmacology pulmonary photo dermatology table syndrome ultrasound
Hypercalcemia of Malignancy - Pathophysiology PTH-mediated • Parathyroid cancer • Ectopic production: Small cell lung cancer, ovarian
intestinal calcium absorption ... and stimulates resorption ... Stimulate calcium reabsorption ... kidney, Stimulates resorption
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus Calcium - Net Effect Hypercalcemia: ↑ intestinal
↑ intestinal absorption ... ↑ bone reabsorption ... ↑ tubular reabsorption ... Hypophosphatemia: ↑ bone reabsorption ... ↓↓ tubular reabsorption
Hypercalcemia - Hormones and Pathophysiology Calcitriol: • Bones: Enhances mineralization • GI Tract: ↑ Ca2+
Tract: ↑ Ca2+ absorption ... , ↑ PO4- absorption ... , ↑ PO4- reabsorption ... Tract: ↓ Ca2+ absorption ... , PO4- reabsorption
Major Segments of the Nephron and their Functions - Glomerulus - Formation of glomerular filtrate
tubule (PCT) - Reabsorption ... Isosmotic reabsorption ... organic acids and bases ... convoluted tubule (DCT ... ) - Active reabsorption
Causes of Hypercalcemia Hypercalcemia due to increased bone Ca2+ resorption: • Primary hyperparathyroidism, Malignancy, Pseudohyperparathyroidism, Renal failure,
Causes of Hypercalcemia ... increased bone Ca2+ resorption ... increased GI Ca2+ absorption ... Hypercalcemia #Causes
Hypercalcemia - Differential Diagnosis Algorithm Elevated PTH (High or normal): • Primary Hyperparathyroidism • Familial Hypocalciuric Hypercalcemia Low
Miscellaneous - Bone Resorption ... - Calcium Reabsorption ... Diagnosis #Algorithm #causes
Magnesium Absorption and Pathophysiology Magnesium Absorption: • absorbed in the GIT — small intestine, Saturable
Magnesium Absorption ... Pathophysiology Magnesium Absorption ... Henle • 5-10% in DCT ... #Magnesium #Absorption
The Pathophysiology of Fat Absorption and Causes of Malabsorption (steatorrhoea) #Fat #Malabsorption #Pathophysiology #Differential #Steatorrhea #Diarrhea #Diagnosis
Pathophysiology of Fat Absorption ... and Causes of Malabsorption
Fluid and Water Secretion and Absorption in the GI Tract #Fluid #water #Secretion #Absorption #reabsorption #GITract #diagnosis
Secretion and Absorption ... water #Secretion #Absorption ... #reabsorption #
AATS lung cancer screening guidelines for solid nodules on low-dose computed tomography (LDCT). PET/CT, Positron emission
computed tomography (LDCT ... Algorithm #LowDoseCT #LDCT
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