8 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
Refeeding Syndrome: Pathogenesis and clinical findings

Patients at Risk of Refeeding Syndrome:
 - Little or no nutritional
- Little or no nutritional ... weight loss - Low ... disturbances: low ... - Metabolic Acidosis ... #diagnosis #pathophysiology
Refeeding Syndrome Overview

What Is It?
	• Electrolyte/fluid shifts caused by initiation of nutrition in severely malnourished patient.
initiation of nutrition ... Rhabdomyolysis • Seizures ... , K, Mg2+) • Slow ... #Nutrition #Differential ... #Diagnosis #Pathophysiology
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Dehydration - Loss of sodium ... conditions - Neurogenic ... heat illness → Hypernatremia ... Collapse: • Pathophysiology ... consciousness, Coma/seizure
Thiamine Deficiency - Differential Diagnosis Framework and Clinical Manifestations

Causes of Thiamine Deficiency:
 • Poor intake:
	- Diets
- Refeeding syndrome ... rice, Cereals • Low ... seen • Lactic acidosis ... #beriberi #nutrition ... #pathophysiology
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 ... nephrology #management #pathophysiology
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
0.6*Wt Required Sodium ... 9 Respiratory Acidosis ... base Equation NUTRITION ... Distress Syndrome ... Bicarbonate, Sodium
Bulimia Nervosa: Complications
GASTROINTESTINAL
 • Dehydration & inability to digest food -> Constipation
 • Recurrent vomiting exposes
• Boerhaave syndrome ... hormonal imbalances (low ... lead to metabolic acidosis ... hypochloremia, hypernatremia ... Complications #pathophysiology