9 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
• Euvolemic (Low ... insipidus (central or nephrogenic ... Hypervolemic: Conn syndrome ... , Cushing syndrome ... Algorithm #nephrology #sodium
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
cell epithelial sodium ... of epithelial sodium ... renal tubular acidosis ... -2 deficiency Nephrogenic ... #Differential #Table
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
: SIADH, Renal Sodium ... can be high or low ... Cirrhosis, Nephrotic syndrome ... differential #diagnosis #table ... #sodium #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
and Treatment ... Treatment: Treatment ... demyelination syndrome ... of symptomatic (seizures ... management #nephrology #sodium
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Dehydration - Loss of sodium ... conditions - Neurogenic ... heat illness → Hypernatremia ... - Metabolic acidosis ... consciousness, Coma/seizure
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
Hyponatremia ... • Nephrogenic ... Tolvaptan) • Treatment ... and euvolemic hyponatremia ... #Medications #Table
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
perfusion - shock->treatments ... before beginning treatment ... Heavy exercise - Seizures ... LV failure - Low ... - Compartment syndrome
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Compartment syndrome ... exertion/training - Seizures ... Hyperuricemia • Hyponatremia ... or compartment syndrome ... per day until stable
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... alkalosis • Normal or low ... Renal tubular acidosis ... tachycardia • Seizures ... Rhabdomyolysis Treatment