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ASPEN Nutrition NeedsAlteplase DosingAmphotericin B DosingArgatroban InfusionBicarbonate Infusion RateBivalirudin InfusionCisatracurium Infusion RateClevidipine Infusion RateColistin Loading and MaintenanceDaptomycin DoseDexmedetomidine Infusion RateDobutamine Infusion RateDopamine Infusion RateEnteral Nutrition RateEpinephrine Infusion RateEsmolol Infusion RateFentanyl Infusion RateFluid ResuscitationFondaparinux Therapeutic DosingHeparin NomogramHydromorphone Infusion RateHypertonic Saline Infusion RateIV Calcium Gluconate DoseIV Fluid RateIV Hydralazine DoseIV Labetalol DoseIV Magnesium ReplacementIV Nicardipine Infusion RateIV Nitroglycerin Infusion RateIV Phosphate ReplacementIV Potassium ReplacementKetamine Infusion RateLinezolid DoseMeropenem Extended InfusionMidazolam Infusion RateMilrinone Infusion RateMorphine Infusion RateNorepinephrine Infusion RateOral vs IV RehydrationParkland FormulaPhenylephrine Infusion RatePiperacillin-Tazobactam Extended InfusionPropofol Infusion RateProtamine Reversal DoseRASS-Guided SedationRocuronium DoseSodium Correction RateSodium Nitroprusside InfusionSuccinylcholine DoseTOF Monitoring GuideTPN Calorie and ProteinTPN ElectrolyteTenecteplase DosingVancomycin Continuous InfusionVasopressin Infusion RateVasopressor Weaning ProtocolVecuronium Dose
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Clinical Notice:Calculations must be re-checked and should not be used alone to guide patient care, nor should they substitute for professional clinical judgment. OpiCalc is an auxiliary reference tool for qualified healthcare professionals.

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Recent Journal Updates

WHO NewsApr 24, 2026
WHO prequalifies first-ever malaria treatment for newborns and infants, adds new diagnostic tests

Clinical Context

Matched clinical terms: standard — may affect guidance relevant to Weight-Based Heparin Nomogram (Standard).

WHO NewsApr 23, 2026
WHO reports measurable health impact in 2025 amid transition to new strategy

Clinical Context

Matched clinical terms: standard — may affect guidance relevant to Weight-Based Heparin Nomogram (Standard).

WHO NewsApr 22, 2026
WHO certifies the Bahamas for eliminating mother-to-child transmission of HIV

Clinical Context

Matched clinical terms: standard — may affect guidance relevant to Weight-Based Heparin Nomogram (Standard).

Heparin Nomogram

Heparin Nomogram

This calculator is currently under development and will be available soon.

Coming Soon

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

Overview

Clinical content for Heparin Nomogram is currently under development.

Last Comprehensive Review: 2026

Guidelines & Evidence

Verified

Last Review: 2026

When to Use

When to Use

Initiating Unfractionated Heparin (UFH) for acute VTE (DVT/PE) or ACS.
Calculating initial bolus and infusion rates based on patient weight.
Monitoring and adjusting dose based on therapeutic aPTT or Anti-Xa levels.

Exclusions

Do not use this weight-based protocol for patients with heparin-induced thrombocytopenia (HIT). Use argatroban or danaparoid instead.

Last Comprehensive Review: 2026

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