13 results
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... Malignancy True hypovolemia ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Syndrome of Inappropriate ... Malignancy True hypovolemia ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Repeat the sodium ... Assess volume status ... HYPERVOLEMIC • CHF ... • nephrotic syndrome ... #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup Algorithm ... 1) Check Urine ... mechanism 2) Volume Status ... , Cushing syndrome ... #nephrology #sodium
Flowchart to diuretic use in acute heart failure.

(A) Congestion with volume overload. 

(B) Treatment algorithm after
(B) Treatment algorithm ... intravenous; SGLT2‐I, sodium–glucose ... ultrafiltration; UO, urine ... Diuretic #Diuresis #CHF ... #HeartFailure #Cardiology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... , Gitelman syndrome ... Normal acid-base status ... sodium is typically ... #Algorithm #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Measure urine osmolality ... demyelination syndrome ... include vaptans (HF ... #management #nephrology ... #sodium
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
thiazide-sensitive sodium ... thiazide-sensitive sodium ... Hypocalciuria (spot urine ... Rhabdomyolysis Treatment ... #diagnosis #nephrology
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Compartment syndrome ... Toxins - Drugs - Statins ... Weakness - Dark urine ... hour with goal urine ... #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... Present (Uosm ≥100): Hypovolemia ... Cirrhosis, Nephrotic syndrome ... #nephrology