Calculators for hematologic, rheumatologic, and infectious diseases, including anemia, inflammation markers, and clinical scoring tools.
Medical Calculator – SonDoctor.com × Iron Deficiency Calculator (Total iron deficit, Ganzoni Equation) Ganzoni Equation Iron deficit (mg) = Body weight (kg) x (Target Hb – Current Hb) x 2.4 + Iron stores ※ 2.4 = 0.0034 x 0.07 x 10000 (Iron content in Hb is about 0.34%, blood volume is about 7% of body … Read more
Medical Calculator – SonDoctor.com × Neutrophil to Lymphocyte Ratio Calculator (NLR) Neutrophil to Lymphocyte Ratio (NLR) = Absolute Neutrophil count / Absolute Lymphocyte count Indicator of inflammation (infection) and physiologic stress (e.g., hypovolemic shock) Enter as percentage (%) Enter as absolute value (count) WBC (/mm³): Neutrophil %: Lymphocyte %: Neutrophil count (/mm³): Lymphocyte count (/mm³): … Read more
Medical Calculator – SonDoctor.com × Reticulocyte Production Index (RPI) Calculator Corrected Reticulocyte Count (CRC) = Reticulocyte (%) x (Hct / 45) or (Hb / 15) Reticulocyte Production Index (RPI) = Corrected Reticulocyte Count / Maturation time Maturation time : Hct ≤ 15 : 2.5 16 < Hct ≤ 25 : 2 26 < Hct ≤ ... Read more
Medical Calculator – SonDoctor.com × Modified Centor Score (McIsaac Score) Calculator Criteria for suspected bacterial pharyngitis (Streptococcal pharyngitis) Antibiotic use recommended for scores of 3 or higher Temperature exceeds 38℃(100.4°F) (1 point) No cough (1 point) Tender anterior cervical lymphadenopathy (1 point) Tonsillar swelling or exudate (1 point) Age : 3-14 years (1 point)15-44 years … Read more
Medical Calculator – SonDoctor.com × PT INR Calculator This is a calculator to determine PT INR. PT INR = (PTpatient / PTcontrol)ISI PT ratio = PTpatient / PTcontrol PT[Patient] (second) : PT[Control] (second) : ISI (International Sensitivity index) : The Prothrombin Time (PT) test measures the time from mixing patient plasma (with platelets removed) with … Read more
Medical Calculator – SonDoctor.com × Opioid Analgesic Dose Conversion Calculator (Opioid converter) Select the type of opioid analgesic you want to convert, enter the dose, and it will show the converted dose for each type of opioid analgesic. Select the type of opioid analgesic to convert Morphine IV/SC [mg]Morphine PO [mg]Oxycodone IV/SC [mg]Oxycodone PO [mg]Hydromorphone … Read more
Medical Calculator – SonDoctor.com × ANC Calculator (Absolute Neutrophil Count) Calculate ANC using WBC and Neutrophil(%) or Seg(%) + Band(%) ANC = WBC × (Seg(%) + Band(%)) / 100 [If Band(%) is not available] ANC = WBC × Neutrophil(%) / 100 Use only Neutrophil(%) (Band(%) not available) Use Neutrophil(Seg(%) or Poly(%)) + Band(%) when available … Read more
Medical Calculator – SonDoctor.com × Absolute Eosinophil Count Calculator Absolute Eosinophil Count = WBC × Eosinophil(%) Total WBC count (/㎕): Eosinophil (%): Eosinophilia: ＞ 500 cells/㎕ Mild eosinophilia: 500 to 1,500 cells/㎕ Moderate eosinophilia: 1,500 to 5,000 cells/㎕ Severe eosinophilia: ＞ 5,000 cells/㎕