Medical Calculator – SonDoctor.com
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ABGA Calculator
[ ABGA reference values ]
pH : 7.38 ~ 7.42
PaCO2 : 38 ~ 42
HCO3 : 22 ~ 26
※ Even if all values are normal, interpretation should be made according to clinical situation.
(Mixed pattern may exist even with normal ABGA.)
If metabolic acidosis is confirmed, Anion Gap should be calculated.
If metabolic alkalosis is confirmed, check Urine Cl.
If respiratory acidosis/alkalosis is confirmed, calculate AaDO2.
Nephrology
Corrected Sodium Calculator in Hyperglycemia
Corrected Calcium Calculator in Hypoalbuminemia
Corrected Sodium in Hypertriglyceridemia
Osmolality Calculator
TTKG Calculator
Urine K-to-Creatinine Ratio Calculator
Urine Na-to-K Ratio Calculator (Check High vs. Low Salt Intake)
FENa Calculator (Fractional Excretion of Sodium)
RFI Calculator (Renal Failure Index)
BUN / Creatinine Ratio Calculator
Total Sodium Deficit Calculator in Hyponatremia
Free Water Deficit Calculator in Hypernatremia
Free water clearance (FWC) Calculator
Electrolyte free water clearance (EFWC) Calculator
Hyponatremia Treatment – 3% Saline Infusion Rate Calculator (Adrogue-Madias Formula)
Calculator for Serum Na Change After Infusion (Adrogue-Madias Formula)
Infusion Rate Calculator for Hyponatremia or Hypernatremia Treatment (Adrogue-Madias formula)
Calculate Fractional Excretion of Multiple Electrolytes
Albumin to Globulin (A/G) Ratio Calculator
Anion Gap + Delta AG Delta bicarbonate ratio Calculator
Urine Anion Gap Calculator + Urine Osmolal Gap Calculator
Calculate H⁺ concentration and pH from PaCO₂ and HCO₃⁻ (Henderson-Hasselbalch equation)
Estimated Glomerular Filtration Rate Calculator (eGFR) Four-in-One Calculator – Compare MDRD, CKD-EPI (2009 & 2021) at Once
Estimated Glomerular Filtration Rate Calculator (eGFR) (2) CKD-EPI Creatinine-Cystatin C equation (2021)
Pediatric Estimated Glomerular Filtration Rate Calculator (Pediatric eGFR)
Kidney failure risk equation calculator
HUGE (Hematocrit + Blood urea + GEnder) Calculator
Creatinine Clearance Using 24-Hour Urine & Urine Collection Adequacy Evaluation
Urine ACR Calculator (Albumin-to-Creatinine Ratio)
Urine PCR Calculator (Protein-to-Creatinine Ratio)
Calculate URR and Kt/V
nPCR Calculator
Transferrin Saturation Calculator
Erythropoiesis Injection Dose Conversion Calculator (EPO converter)
CRRT Dose Calculator