i-STAT hs-TnI Cartridge
In Stock
Product code: I-STAT-09P81-25
MPN: 09P81-25
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High sensitivity cardiac troponin I for rapid assessment of suspected myocardial infarction
Product overview
The i-STAT hs-TnI cartridge delivers quantitative measurement of cardiac troponin I (cTnI) in roughly 15 minutes using an enzyme-linked immunosorbent assay (ELISA) method with electrochemical detection. High sensitivity cardiac troponin is the preferred biomarker for detecting myocardial infarction (MI) according to ACC/AHA guidelines, and the Fourth Universal Definition of MI recommends hs-cTn assays for routine clinical use. The assay achieves a limit of blank (LoB) of 0.78 ng/L, limit of detection (LoD) of 1.61 ng/L, and limit of quantitation (LoQ) of 2.9 ng/L in whole blood, providing the analytical sensitivity required for early MI rule-out protocols.
Expand your point-of-care testing capacity with refurbished i-STAT analyzers
If your facility relies on the Abbott i-STAT system for point-of-care testing, Block Scientific can help you increase your testing capacity at a fraction of the cost of buying new. The Abbott i-STAT is one of Block Scientific's Centers of Excellence analyzers, which means we carry deep inventory, provide factory-level refurbishment, and back every unit with comprehensive service and support.
Adding refurbished i-STAT 1 or i-STAT Alinity instruments to your fleet lets you deploy more analyzers across departments, satellite locations, or mobile units without the capital outlay of purchasing new. Every refurbished i-STAT from Block Scientific is thoroughly tested, calibrated, and verified to meet original manufacturer specifications before it ships.
And when you bundle your cartridge and consumable orders with refurbished instrumentation, you get the best possible pricing on both. Complete the form on this page and your local sales rep will contact you to discuss your application.
Clinical evidence
In a multi-center clinical validation study spanning 28 sites and over 3,500 patients, the i-STAT hs-TnI demonstrated approximately 99% negative predictive value (NPV) for ruling out myocardial infarction. This means that when the test returns a value below the sex-specific 99th percentile cutoff (13 ng/L for females, 28 ng/L for males), clinicians can be highly confident that MI is not present. The combination of high sensitivity detection and 15-minute turnaround gives emergency departments the ability to implement rapid rule-out pathways that were previously only possible with central lab high-sensitivity assays running on large immunoassay platforms.
Clinical applications
Designed for use in emergency departments, critical care units, and any clinical setting where rapid cardiac biomarker assessment is needed. Bedside testing with the hs-TnI cartridge has been shown to reduce time to anti-ischemic therapy by approximately 45 minutes and ED length of stay by 1.9 hours compared to central lab testing. The assay's high sensitivity allows clinicians to detect smaller amounts of myocardial injury than the standard cTnI cartridge, supporting earlier intervention and faster clinical decision-making in chest pain pathways.
What does the i-STAT hs-TnI Cartridge measure?
Category: Cardiac Markers
- Cardiac Troponin I (cTnI)
Specifications
Intended use
Intended for use in the in vitro quantification of cardiac Troponin I (cTnI) in whole blood or plasma samples in point-of-care or clinical laboratory settings. Used as an aid in the diagnosis of myocardial infarction.
Frequently Asked Questions
The high sensitivity troponin I assay can detect much lower concentrations of cardiac troponin than the standard cTnI test. This allows for earlier detection of myocardial injury and supports rule-out protocols for MI in the emergency department. The hs-TnI cartridge reports in ng/L, while the standard cTnI cartridge reports in ng/mL.
Results are available in approximately 15 minutes from sample application to the cartridge. This is significantly faster than sending samples to the central lab, which can take over an hour for turnaround.
The cartridge accepts whole blood and plasma collected with lithium heparin. You can also use non-anticoagulated whole blood, but it must be tested within 3 minutes of collection.
The Abbott i-STAT is a Block Scientific center of excellence
Block Scientific has designated the Abbott i-STAT as one of its Centers of Excellence - a select group of analyzer platforms where we provide the highest level of expertise, inventory depth, and service capability. When you purchase a refurbished i-STAT from Block Scientific, you get the benefit of more than 45 years of laboratory equipment experience, dedicated technical support, and a team that knows the i-STAT platform inside and out.
Whether you need a single replacement unit, want to expand your POC testing footprint across multiple departments, or are looking for the best price on cartridges and consumables, Block Scientific is the partner that can make it happen at a cost that works for your budget.
Ready to get started?
Complete the form on this page and your local sales rep will contact you to discuss your application. Whether you are ordering cartridges, looking at refurbished i-STAT analyzers, or want to bundle both for the best pricing, we are here to help.
