7 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
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Compartment syndrome ... - Electrical ... exertion/training - Seizures ... Hyperuricemia • Hyponatremia ... or compartment syndrome
Lightning Strike Electrical Injury
Types of Lightning Strikes: Direct, Side Splash, Contact injury, Ground current
ELECTRICAL INJURIES: Primary
Lightning Strike Electrical ... Injury Types of ... Low-Voltage <1000V ... coagulation, compartment syndrome ... CNS- stroke, seizure
Toaster Electrocution Electrical Injury
Primary determination of injury extent = amount of CURRENT flowing through body.
VARIABLES: voltage,
Low-Voltage <1000V ... coagulation, compartment syndrome ... CNS- stroke, seizure ... arrest (arrthymia), seizure ... electrical injury
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Dehydration - Loss of sodium ... conditions - Neurogenic ... sweat Heat Injury ... heat illness → Hypernatremia ... consciousness, Coma/seizure
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
liver or renal injury ... Heavy exercise - Seizures ... LV failure - Low ... - Compartment syndrome ... #typea #typeb #classification
Causes of Hyperkalemia
l. Pseudohyperkalemia
  A Cellular efflux; thrombocytosis, erythrocytosis, leukocytosis, in vitro hemolysis
  B.
neuromuscular injury ... the epithelial sodium ... Drug-associated: heparin, low-molecular-weight ... antiphospholipid syndrome ... High #Potassium #Classification