Adult / General mode Paediatric mode
Read More »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 […]
Read More »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 […]
Read More »Choose your favourite formula (60/50 is my default for adults) 60/50 Watson Hume-Weyers Mellits-Cheek (paeds) Age: 18 years Height: 90 cm Weight: 70 kg Male Female Total Body Water: 42 L Intracellular Fluid: 23.1 L Extracellular Fluid: 18.9 L – Plasma volume: 2.8 L 60/50 is from the Report on the Task Group on Reference […]
Read More »Coaxial Tube Occlusion Calculator Outer tube size Diameter: — mm = — Fr = — G Inner tube size Diameter: — mm = — Fr = — G % Occlusion of larger tube: — Residual flow capacity: — Residual CSA: — Linked variables (Fr = French, G = gauge): Gauge: G = 19.375 − (7.807 […]
Read More »Tube Thickness Calculator Diameter: 0.0 mm Gauge (G): 36.6 French (Fr): 0.3
Read More »Failing to oxygenate/ventilate(any invasive vent, not just traches) DOPES Displacement too deep (unlikely, unless all of: small patient, low puncture site, and adjustable flange trache) too shallow – opening may be against posterior wall in soft tissue – rapidly expanding subcutaneous emphysema completely out Obstruction sputum plug blood/clot plug inner cannula blockage only kinking speaking […]
Read More »Here’s a flash card version of the WTET post on Dexmedetomidine Click here to start flashcard deck[qdeck] [q unit=”Pharmacology” topic=”Dexmedetomidine”] Rationale for Dexmedetomidine [a] Sedation practice varies widely around the world. Propofol and Midazolam are the mainstays of sedation, in addition to an opiate as an antitussive. Traditional first line agents act mainly via GABA. […]
Read More »There is a great document from RCH which details the use of midazolam, ketamine and clonidine in paediatric premedication.
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