Calculators
Dose, rate, and bag-prep math. Enter a patient weight (or the relevant inputs) and the calculator returns numbers you can verify against your own. For clinical workflows, decision support, and scoring tools, see Reference hubs.
Emergency
CPR dosing
Weight-based drug doses and defibrillation energies for cardiopulmonary arrest in dogs and cats.
Lipid Emulsion (ILE) protocol
20% lipid emulsion for toxicology reversal of local anesthetic, CCB, beta-blocker, permethrin, and other lipophilic toxin overdoses.
Methocarbamol CRI
Centrally acting skeletal muscle relaxant CRI for refractory tetanus, permethrin toxicity, and tremorogenic toxicosis.
Analgesia
Analgesia CRI · multi-modal
Multi-modal analgesia CRI builder: opioid + ketamine / lidocaine / dex, per-drug or combined-bag prep.
Dexmedetomidine CRI
α₂-agonist CRI for opioid-sparing analgesia in dogs and cats.
Fentanyl CRI
Short-acting opioid CRI for acute pain in dogs and cats.
Hydromorphone CRI
IV loading dose plus CRI for sustained opioid analgesia in dogs and cats.
Ketamine CRI
Subanesthetic ketamine CRI for analgesia and anti-windup in dogs and cats.
Lidocaine CRI
Maintenance lidocaine CRI for analgesia, dogs only.
Methadone
Bolus, premedication, and CRI dosing for dogs and cats.
Morphine CRI
Pure µ-opioid CRI for moderate-to-severe acute pain in dogs (cautious cat dosing).
Oncology KL · Cornell protocol
Outpatient ketamine-lidocaine bag for refractory cancer pain in dogs and cats.
Anesthesia & Sedation
Alfaxalone
IV induction and CRI maintenance dosing for dogs and cats.
Kitty Magic · DKT
Dexmedetomidine-Ketamine-Opioid IM sedation protocol for cats.
Midazolam CRI
Short-acting benzodiazepine CRI for ICU sedation, anxiolysis, and status epilepticus management.
Propofol · TIVA / Status epi
Propofol CRI for total IV anesthesia or refractory status epilepticus.
Vasopressors & Inotropes
Dobutamine CRI
Inotropic support for low cardiac output and acute heart failure in dogs and cats.
Dopamine CRI · 6×kg method
Bag-prep shortcut where the pump rate in mL/hr equals the µg/kg/min dose.
Dopamine CRI · standard method
Dose-dependent inotropic and vasopressor support for hypotension and shock.
Epinephrine CRI
Second-line catecholamine for vasopressor-refractory hypotension.
Norepinephrine CRI
First-line vasopressor for vasodilatory hypotension after fluid resuscitation.
Phenylephrine CRI
Pure α₁ vasopressor for vasoconstriction without inotropy. Useful when β-stimulation is contraindicated (HCM, A-fib).
Vasopressin CRI
Second-line / catecholamine-refractory vasopressor for vasodilatory shock in dogs and cats.
Cardiology
Diltiazem CRI
Class IV antiarrhythmic (non-DHP calcium channel blocker) for A-fib rate control and SVT management.
Esmolol CRI
Ultra-short-acting β1-blocker for titratable rate control in SVT, A-fib, and perioperative tachycardia.
Furosemide CRI
Loop diuretic CRI for refractory CHF, acute pulmonary edema, and select oliguric AKI cases.
Lidocaine CRI · Antiarrhythmic
Class IB antiarrhythmic CRI for ventricular arrhythmias in dogs (cautious use in cats: markedly increased sensitivity).
Magnesium Sulfate CRI
Physiologic calcium antagonist for refractory ventricular arrhythmias and severe hypomagnesemia in dogs and cats.
Nitroprusside CRI
Direct NO donor with mixed arterial and venous vasodilation for hypertensive crisis and afterload reduction in heart failure.
Antiemetics & Prokinetics
Electrolytes & Fluids
Calcium gluconate
Membrane stabilization for life-threatening hyperkalemia in dogs and cats.
Fluid therapy
General-purpose plan combining shock bolus, deficit replacement, maintenance, and ongoing losses.
Hypernatremia water deficit
Free-water deficit and correction rate for acute or chronic hypernatremia.
Hypokalemia · KCl supplementation
KCl-per-bag supplementation with a patient-specific maximum infusion rate.
Hypomagnesemia · MgSO4 CRI
Magnesium sulfate CRI for symptomatic hypomagnesemia in dogs and cats.
Hypophosphatemia · KPhos CRI
Potassium phosphate CRI for moderate-to-severe hypophosphatemia in dogs and cats.
Insulin + dextrose · K-shifting
Regular insulin plus dextrose for emergency potassium shifting in hyperkalemia.
Mannitol osmotherapy
Indication-specific mannitol dosing for cerebral edema, oliguric AKI, and acute glaucoma.
Transfusion
Volume and rate calculator for blood products in dogs and cats.
Acid-base & blood gas
Blood gas · Basic
Identifies primary acid-base disturbance, compensation, and anion gap from pH, PCO2, and HCO3.
Blood gas · Stewart approach
Stewart strong-ion view: BE decomposition, SIG, and albumin-corrected AG for hypoalbuminemic patients.
Osmolar gap
Calculated osmolality and osmolar gap for ethylene glycol toxicosis, DKA, and osmotherapy monitoring.
Oxygenation · PaO₂:FiO₂ and A-a gradient
P:F ratio and alveolar-arterial gradient for oxygenation severity and the cause of hypoxemia.
Endocrine & Metabolic
Nutrition
Tools
Dilution helper
Calculate drug and diluent volumes for any stock-to-target concentration.
Drop factor
Convert mL/hr to drops/min for gravity-drip sets without a pump.
Solution preparation
Bench preparations of common solutions like D5W from 50% dextrose.
Unit converter
Convert body weight, drug amounts, concentrations, and body surface area.