Critical Info for those that Care
Practical ICU, ED, Anaesthesia and Pre-Hospital resources: Calculators, ECMO tools, Kit Lists and Decision-Support content.
Calculators
Practical bedside calculators for ICU and emergency care.
ECMO
VV, VA, and hybrid ECMO tools, physiology, and practical guides.
Equipment
Critical care equipment explained, compared, and applied.
Kit Lists
Critical Care-ready equipment kits and configurations.
Databases
Curated clinical databases and reference tools.
Education
Teaching resources, clinical frameworks, and decision-making tools.
Infusion Dose Calculator
Convert between μg/kg/min, μg/min, and mL/h in real time.
ECMO Sweep Gas iNO Calculator
Calculate oxygen fraction and gas flow in ECMO circuits using oxygenator nitric oxide as a regional anticoagulant.
Oxygen Flow Rate
Convert between high flow fractional, and low flow pure oxygen rates.
Oxygenation Index Calculator
Assess oxygenation severity and guide escalation decisions.
Relative Tube Thickness
Convert between Fr, G and mm in real time.
Cross-Sectional Area Occlusion Calculator
Calculate the cross-sectional area occlusion of a tube within another tube, such as an ECMO cannula within a femoral vein.
ECMO Nitric Oxide Sweep Gas Calculator
ECMO Sweep Gas Oxygen Fraction with In-line Nitric Oxide v1.1 Calculates the oxygen fraction and gas flow reaching an ECMO oxygenator after in-line nitric oxide addition. Mixer oxygen setting 100% oxygen % Base sweep gas flow 5.0 L/min L/min Nitric oxide setting 20 ppm ppm Subtract sample-line gas removal Yes Yes No Uses 0.23 L/min…
Stop Saying “Sorry to Bother You”: How Doctors Should Start Consultation Calls
Doctors often start consultation calls with “sorry to bother you.” This article explains why that phrase undermines collaboration—and what to say instead.
CALC: IV Infusion Rate
Infusion Dose Calculator v1.15 Calculate an infusion drug dose rate (μg/min and μg/kg/min), or set a target dose rate and compute the required infusion rate. Independent inputs Patient weight Drug amount Diluent volume Concentration: — mg/mL (— μg/mL) Linked variables Infusion rate Absolute dose rate Weight-normalised rate Equations Concentration (μg/mL) = (Dosemg × 1000) ÷…
CALC: Noradrenaline dosing
Noradrenaline Infusion Calculator Dose in micrograms (μg) per kilogram per minute Infusion Strength (80 μg/mL) Single4mg/50mL Double8mg/50mL Quad16mg/50mL Parameters Patient weight kg Infusion rate mL/h Noradrenaline dose: 0.10 μg/kg/min Show Equations Equations Single → 80 μg/mL (4mg/50mL) Double → 160 μg/mL (8mg/50mL) Quad → 320 μg/mL (16mg/50mL) μg/min = (rate [mL/h] × concentration [μg/mL]) ÷…
About CriticalCare.info
CriticalCare.info is a clinician-built resource focused on practical tools for critical care medicine, wherever you practice it.
It brings together calculators, equipment guides, and clinical resources designed for real-world bedside use.