4 results
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 ... diuresis can be high ... : Hypovolemia, Hypervolemia ... differential #diagnosis #table
Lactated Ringers (LR) vs Normal Saline (NS) - Comparison

Composition of LR:
 • Sodium 130 mEq/L
 •
trial • Minimal K ... Is Dangerous in Hyperkalemia ... densa receives high ... decreased renal blood flow ... Decreased GFR, urine
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
water loss, Serum Sodium ... >145 mmol/L High ... 300 mmol/kg • Hypertonic ... saline administration ... mannitol, glucosuria Low
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
lysis) ± Urine ... Elimination (see Table ... hypovolemia) - Use LR ... Bicarb<22) - avoid NS ... Use gtt, NOT hypertonic