17 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... • Euvolemic (Low ... , Cushing syndrome ... #Differential #Diagnosis ... Algorithm #nephrology #sodium
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
: Hypovolemia, Heart ... Cirrhosis, Nephrotic syndrome ... Primary polydipsia, Low ... #Algorithm #diagnosis ... #sodium #nephrology
Causes of Pediatric Seizures - Differential Diagnosis Algorithm
Infantile:
 • Benign Focal Epilepsy of Infancy
 • West
- Differential Diagnosis ... Hypocalcemia • Hyponatremia ... Structural: • Head ... Injury • Stroke ... Algorithm #Causes #Peds
Syncope in 3 Steps
1. Consider the 3 "S" Mimics: Seizure, low Sugar, Stroke (TIA)
2. Heart vs
3 "S" Mimics: Seizure ... Heart vs SVR Heart ... subclavian steal syndrome ... little sympa > meds ... #differential #diagnosis
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Hypothyroidism, Low ... Urine Na < 20: Heart ... Cirrhosis, Nephrotic syndrome ... #algorithm #diagnosis ... #sodium #low #nephrology
Causes of Provoked Pediatric Seizures - Differential Diagnosis Algorithm - "DIMS" Mnemonic
Drugs:
 • Drug overdose
 •
Hypocalcemia • Hyponatremia ... Structural: • Head ... Injury • Stroke ... • Sturge-Weber Syndrome ... Algorithm #Causes #Peds
Acute Kidney Injury - Classification
Prerenal:
 • Dehydration
 • Heart failure (a.k.a. cardiorenal syndrome)
 • Liver failure
Acute Kidney Injury ... Dehydration • Heart ... causes: sepsis, meds ... obstruction) • Neurogenic ... Classification #diagnosis
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Diagnosis Framework ... Dehydration - Loss of sodium ... conditions - Neurogenic ... Hypernatremia & ... consciousness, Coma/seizure
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
can be high or low ... renal perfusion (Heart ... Cirrhosis, Nephrotic syndrome ... #differential #diagnosis ... #table #sodium
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... injury, Heat stroke ... exertion/training - Seizures ... Hyperuricemia • Hyponatremia ... #Differential #Diagnosis