2330 results
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+
Kidneys: ↑ Ca2+ reabsorption ... , ↑ PO4- reabsorption ... Kidneys: ↑ Ca2+ reabsorption ... , ↓ PO4- reabsorption ... , PO4- reabsorption
Proximal Renal Tubular Acidosis (RTA) Ttype 2 Overview

HCO3 reabsorptive failure
Lowering of threshold for HCO3 absorption in
Overview HCO3 reabsorptive ... threshold for HCO3 absorption ... Diagnosis #Management #Nephrology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Ureterojejunostomy (reabsorption ... Elimination (see Table ... Treatment #potassium #nephrology
How SGLT2 inhibitors block glucose reabsorption in proximal tubule and improve systemic glucose homeostasis:
https://www.ajkd.org/article/S0272-6386(18)30633-4/fulltext

#Pathophysiology #Mechanism #Nephrology
block glucose reabsorption ... Pathophysiology #Mechanism #Nephrology ... SLGT2 #Inhibitors #Reabsorption
Major Segments of the Nephron and their Functions 
 - Glomerulus - Formation of glomerular filtrate
tubule (PCT) - Reabsorption ... Isosmotic reabsorption ... Secretion and reabsorption ... loop - Passive reabsorption ... Pathophysiology #Tubules #Table
NSAIDS and their effects on the Kidney - Pathophysiology

Arachidonic Acid metabolites into alternative pathways that modify
• Increase Na reabsorption ... • Increase H2O absorption ... KidneyDisease #nephrology
Nephron Reabsorption Sites
 • Proximal Convoluted Tubule
 • Proximal Straight Tubule
 • Thick Ascending Limb
 •
Nephron Reabsorption ... Bladder #Nephron #Reabsorption ... pathophysiology #nephrology
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Miscellaneous - Bone Resorption ... - Calcium Reabsorption