10 results
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... treat underlying cause ... cirrhosis, nephrotic syndrome ... , CNS Disease, Meds ... diagnosis #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... : SIADH, Renal Sodium ... can be high or low ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia), Low
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
electrolyte abnormality caused ... asymptomatic to seizures ... stimulated in states of low ... activated in states of low ... #hyponatremia #ADH
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
, ADH (appropriately ... demyelination syndrome ... of symptomatic (seizures ... Diagnosis #Treatment #management ... #nephrology #sodium
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Framework and Management ... Summary Causes ... exertion/training - Seizures ... Aldolase ↑ • LDH ... Hyperuricemia • Hyponatremia
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Dehydration - Loss of sodium ... conditions - Neurogenic ... heat illness → Hypernatremia ... consciousness, Coma/seizure ... differential #diagnosis #causes
Adrenal Insufficiency - Diagnosis and Management Summary
Primary Adrenal Insufficiency:
Most Common Cause in the US: Autoimmune Adrenalitis
Other
Diagnosis and Management ... secondary AI, hyponatremia ... due to increased ADH ... Hyperpigmentation is absent (low ... hypophysitis, Sheehan's syndrome
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 ... tachycardia • Seizures ... • Rhabdomyolysis ... diagnosis #nephrology #management
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
Emergencies Neutropenic ... , low Ca - q8 h ... high d-dimer, low ... Treat underlying cause ... consciousness, seizures
Hyperthermic Toxidromes
Five toxidromes may present with overlapping features: hyperthermia, rhabdomyolysis, altered mental status/seizures.
 • Sympathomimetic -
hyperthermia, rhabdomyolysis ... mental status/seizures ... • Serotonin Syndrome ... serotoninergic meds ... pharmacogenetic disease caused