3495 results
The Pathophysiology of Fat Absorption and Causes of Malabsorption (steatorrhoea)

#Fat #Malabsorption #Pathophysiology #Differential #Steatorrhea #Diarrhea #Diagnosis
The Pathophysiology ... of Fat Absorption ... and Causes of Malabsorption ... Malabsorption #Pathophysiology
Iron Deficiency in Heart Failure
Pathophysiology:
Chronic heart failure leads to an increase in inflammatory cytokines → Inflammation
Heart Failure Pathophysiology ... → Inflammation causes ... decreased iron absorption ... endpoint of all-cause
Causes of B12 deficiency. 

This great diagram shows normal absorption and outlines most possible causes. At
Causes of B12 deficiency ... diagram shows normal absorption ... most possible causes ... #Differential #Causes ... #Diagnosis #Pathophysiology
Copper Deficiency - Mechanisms
There are 2 main mechanisms of copper deficiency
Decreased intake from:
 - Gastric bypass,
Celiac which reduce absorption ... Copper #Deficiency #Causes ... differential #diagnosis #pathophysiology
The Effect of Zinc on the Enteral Absorption of Copper. Panel A shows how copper (Cu)
on the Enteral Absorption ... how zinc (Zn) causes ... #Pathophysiology
Hypercalcemia of Malignancy - Pathophysiology
PTH-mediated
 • Parathyroid cancer
 • Ectopic production: Small cell lung cancer, ovarian
of Malignancy - Pathophysiology ... intestinal calcium absorption ... and stimulates resorption ... kidney, Stimulates resorption ... Hypercalcemia #Malignancy #Pathophysiology
Parathyroid Hormone (PTH) Effect in Calcium and Phosphorus
Calcium - Net Effect Hypercalcemia:
   ↑ intestinal
↑ intestinal absorption ... ↑ bone reabsorption ... ↑ tubular reabsorption ... ↓↓ tubular reabsorption ... Calcium #Phosphorus #pathophysiology
Hypercalcemia - Hormones and Pathophysiology  
Calcitriol:
 • Bones: Enhances mineralization
 • GI Tract: ↑ Ca2+
- Hormones and Pathophysiology ... Tract: ↑ Ca2+ absorption ... , ↑ PO4- absorption ... Tract: ↓ Ca2+ absorption ... Hypercalcemia #Hormones #Pathophysiology
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
Manifestations Causes ... surgery • Poor absorption ... beriberi #nutrition #pathophysiology
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