Calculator: Combo – GI Bleeding

This calculator uses common variables to give estimates of mortality and need for intervention based on the Glasgow-Blatchford Score, the AIMS65 score and the MELD 3.0 score. Combined AIMS65, Glasgow Blatchford, and MELD 3.0 One row per input • Live updating • CC-OrangeCard Demographic Age: 40 years Sex: Male Female History Hepatic disease: No Yes Cardiac […]

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PHYScalc: Basal Metabolic Rate

Basal Metabolic Rate Calculator Gender: Male Female Weight: 70 kg Height: 170 cm Age: 30 years Basal Metabolic Rate: – kcal/day Mifflin MD, St Jeor ST, Hill LA, Scott BJ, Daugherty SA, Koh YO. A new predictive equation for resting energy expenditure in healthy individuals. Am J Clin Nutr. 1990 Feb;51(2):241-7. PMID: 2305711

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Calculator: Opioid Equivalence

Opioid Equivalence Calculator Opioid Equivalence Calculator Oral Morphine Dose mg (per day) Preparations IV/IM/SC Oral Sublingual Transdermal Rectal IV/IM/SC preparations Fentanyl (0.2): µg Sufentanil (2): µg Codeine (0.25): mg Hydromorphone (15): mg Morphine (3): mg Oxycodone (3): mg Pethidine (0.4): mg Oral preparations Codeine / Dihydrocodeine [0.1–0.15] (0.13): mg Dextropropoxyphene (0.1): mg Hydrocodone (1): mg […]

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PHYScalc: Sodium

Let’s start with the Adrogué–Madias (A-M) formula (1997): Na+ deficit = TBW fraction x weight x ΔNa+ Sodium Deficit Calculator Sex Male (0.6)Female (0.5) Weight: 80 kg Starting [Na+]: 110 mmol/L Target [Na+]: 115 mmol/L Sodium deficit = ksex × Wt × Δ[Na+] = 150 mmol Glucose-adjusted Sodium Calculator Glucose-adjusted Sodium Calculator Measured [Na+] 115 […]

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Simple Molecule Size Searcher

This is just to find out what molecules are the right size for what sort of extracorporeal removal, if at all. These weights are (mostly) just an approximation, especially as they get into the tens of thousands. Have a go. I found it interesting, hopefully you might, too. NB: Haemodialysis generally removes molecules <20kDa in […]

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