ABL90 FLEX blood gas analyser

Short turnaround time for immediate diagnosis and treatment

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  • 35 seconds time to result
  • Automatic sample mixing
  • AQM automatic quality management

When time is of the essence, turn to the ABL90 FLEX blood gas analyser. Designed specifically for demanding hospital wards like the ICU, the NICU and the ED, the ABL90 FLEX analyser is quickly ready for the next sample.

In just 35 seconds, our cassette-based ABL90 FLEX analyser can deliver 17 parameters from a sample as small as 65 μL. Ensure standardised mixing of your blood samples using safePICO syringes and the built-in sample mixer on the ABL90 FLEX analyser. 

Compliance is straightforward when you work with an ABL90 FLEX analyser. Automatic quality control with dedicated QC solutions comes built-in to the analyser which also runs continuous system analysis checks, and takes automated corrective actions when necessary.

*) In the USA, bilirubin can only be measured on neonatal samples

Parameters measured

Blood gases: 
pH

Potential of hydrogen

The degree of acidity or alkalinity of any liquid (including blood) is a function of its hydrogen ion concentration [H+], and pH is simply a way of expressing hydrogen ion activity. The relationship between pH and hydrogen ion concentration is described thus:

pH = -log aH+
where aH+ is hydrogen ion activity.

Low pH is associated with acidosis and high pH with alkalosis [1].

Read more

 

1. CLSI. Blood gas and pH analysis and related measurements; Approved Guidelines. CLSI document CA46-A2, 29, 8. Clinical and Laboratory Standards Institute, 940 West Valley Road, Suite 1400, Wayne, Pennsylvania 19087-1898 USA, 2009.

, pCO2

Partial pressure of carbon dioxide

Carbon dioxide (CO2) is an acidic gas; the amount of CO2 in blood is largely controlled by the rate and depth of breathing or ventilation. pCO2 is the partial pressure of CO2 in blood. It is a measure of the pressure exerted by that small portion (~5 %) of total CO2 that remains in the gaseous state, dissolved in the blood plasma. pCO2 is the respiratory component of acid-base balance and reflects the adequacy of pulmonary ventilation. The severity of ventilator failure as well as the chronicity can be judged by the accompanying changes in acid-base status [1].

Read more

 

1. Higgins C. Parameters that reflect the carbon dioxide content of blood. www.acutecaretesting.org Oct 2008.

, pO2

Partial pressure of oxygen

The amount of oxygen in blood is controlled by many variables, e.g. ventilation/perfusion. pO2 is the partial pressure of oxygen in a gas phase in equilibrium with the blood. pO2 only reflects a small fraction (1 – 2 %) of total oxygen in blood that is dissolved in blood plasma [1]. The remaining 98 – 99 % of oxygen present in blood is bound to the hemoglobin in the erythrocytes. pO2 primarily reflects the oxygen uptake in the lungs. 

Read more

 

1. Wettstein R, Wilkins R. Interpretation of blood gases. In: Clinical assessment in respiratory care, 6th ed. St. Louis: Mosby, 2010.

Metabolites: 
cGlu

Glucose

Glucose, the most abundant carbohydrate in human metabolism, serves as the major intracellular energy source (see lactate). Glucose is derived principally from dietary carbohydrate, but it is also produced – primarily in the liver and kidneys – via the anabolic process of gluconeogenesis, and from the breakdown of glycogen (glycogenolysis). This endogenously produced glucose helps keep blood glucose concentration within normal limits, when dietary-derived glucose is not available, e.g. between meals or during periods of starvation.

Read more

, cLac

Lactate

Lactate, the anion that results from dissociation of lactic acid, is an intracellular metabolite of glucose. It is produced by skeletal muscle cells, red blood cells (erythrocytes), the brain, and other tissues during anaerobic energy production (glycolysis). Lactate is formed in the intracellular fluid from pyruvate; the reaction is catalyzed by the enzyme lactate dehydrogenase (LDH) [1].

 

1. Robergs RA, Ghiasvand F, Parker D. Biochemistry of exercise-induced metabolic acidosis. Am J Physiol Regul Integr Comp Physiol 2004; 287: R502-16.

Electrolytes: 
cCa2+

Calcium

The calcium ion (Ca2+) is one of the most prevalent cations in the body, where approximately 1 % is present in the extracellular fluid of blood. Ca2+ plays a vital role for bone mineralization and many cellular processes, e.g. contractility of the heart and the skeletal musculature, neuromuscular transmission, hormone secretion and action in various enzymatic reactions such as, e.g. blood coagulation.

Read more

, cCl-

Chloride

Chloride (Cl-) is the major anion in the extracellular fluid and one of the most important anions in blood. The main function of Cl- is to maintain osmotic pressure, fluid balance, muscular activity, ionic neutrality in plasma, and help elucidate the cause of acid-base disturbances.

Read more

, cK+

Potassium

Potassium (K+) is the major cation in the intracellular fluid, where it has a 25 - 37-fold higher concentration (∼150 mmol/L in tissue cells, ∼105 mmol/L in erythrocytes) than in the extracellular fluid (∼4 mmol/L) [1, 2]. K+ has several vital functions in the body, e.g. regulation of neuromuscular excitability, regulation of heart rhythm, regulation of intracellular and extracellular volume and acid-base status.

Read more

 

1. Burtis CA, Ashwood ER, Bruns DE. Tietz textbook of clinical chemistry and molecular diagnostics. 5th ed. St. Louis: Saunders Elsevier, 2012. Engquist A. Fluids/Electrolytes/Nutrition. 1st ed. Copenhagen: Munksgaard, 1985.
2. Engquist A. Fluids/Electrolytes/Nutrition. 1st ed. Copenhagen: Munksgaard, 1985.

, cNa+

Sodium

Sodium (Na+) is the dominant cation in the extracellular fluid, where it has a 14-fold higher concentration (∼140 mmol/L) than in the intracellular fluid (∼10 mmol/L). Na+ is a major contributor of the osmolality of the extracellular fluid and its main function is largely in controlling and regulating water balance, and maintaining blood pressure. Na+ is also important for transmitting nerve impulses and activating muscle concretion.

Read more

Oximetry: 
COHb

Carboxyhemoglobin

FMetHb is the fraction of total hemoglobin (ctHb) that is present as methemoglobin (MetHb). By convention the fraction is expressed as a percentage (%).

In the range of 0 – 60 % COHb in arterial (COHb(a)) and venous blood (COHb(v)) is similar, i.e. either venous or arterial blood may be analyzed [1]. In most medical texts FCOHb(a) is referred to as simply COHb.

Read more

 

1. Lopez DM, Weingarten-Arams JS, Singer LP, Conway EE Jr. Relationship between arterial, mixed venous and internal jugular carboxyhemoglobin concentrations at low, medium and high concentrations in a piglet model of carbon monoxide toxicity. Crit Care Med 2000; 28: 1998-2001.

, ctBil

Bilirubin

Bilirubin is the yellow breakdown product of the degradation of the heme group of hemoglobin. It is transported in blood from its site of production – the reticuloendothelial system – to the liver, where it is biotransformed before excretion in bile. Jaundice, the pathological yellow discoloration of skin, is due to abnormal accumulation of bilirubin in the tissues, and is always associated with elevated blood concentration of bilirubin (hyperbilirubinemia).

Read more

, ctHb

Total hemoglobin

The concentration of total hemoglobin (ctHb) in blood includes oxyhemoglobin (cO2Hb), deoxyhemoglobin (cHHb), as well as the dysfunctional hemoglobin species that are incapable of binding oxygen:

carboxyhemoglobin (cCOHb) (see COHb), methemoglobin (cMetHb) (see MetHb) and sulfhemoglobin (cSulfHb).

Thus:

ctHb = cO2Hb + cHHb + cCOHb + cMetHb + cSulfHb

The rare sulfHb is not included in the reported c tHb in most oximeters.

Read more

, FHbF

Fraction of fetal hemoglobin

FHbF in total hemoglobin in blood.

Read more

, FHHb

Fraction of deoxyhemoglobin


FHHb in total hemoglobin in blood.

, MetHb

Methemoglobin

FMetHb is the fraction of total hemoglobin (ctHb) that is present as methemoglobin (MetHb). By convention the fraction is expressed as a percentage (%) [1].

In most medical text boxes MetHb(a) is referred to as simply methemoglobin (MetHb).

Read more

 

1. CLSI. Blood gas and pH analysis and related measurements; Approved Guidelines. CLSI document CA46-A2, 29, 8. Clinical and Laboratory Standards Institute, 940 West Valley Road, Suite 1400, Wayne, Pennsylvania 19087-1898 USA, 2009.

, sO2

Oxygen saturation

Oxygen saturation (sO2) is the ratio of oxyhemoglobin concentration to concentration of functional hemoglobin (i.e. oxyhemoglobin (O2Hb) and deoxyhemoglobin (HHb) capable of carrying oxygen [1].

The sO2 reflects utilization of the currently available oxygen transport capacity.

In arterial blood 98 – 99 % of oxygen is transported in erythrocytes bound to hemoglobin. The remaining 1–2 % of the oxygen transported in blood is dissolved in the blood plasma – this is the portion reported as partial pressure of oxygen (pO2) [2].

Read more

 

1. CLSI. Blood gas and pH analysis and related measurements; Approved Guidelines. CLSI document CA46-A2, 29, 8. Clinical and Laboratory Standards Institute, 940 West Valley Road, Suite 1400, Wayne, Pennsylvania 19087-1898 USA, 2009.
2. Higgins C. Parameters that reflect the carbon dioxide content of blood. www.acutecaretesting.org Oct 2008.

, FO2Hb

Fraction of oxyhemoglobin

FO2Hb in total hemoglobin in blood.

Read more

Close

Portability

The ABL90 FLEX analyser is fully operational on battery and can be connected to your hospital network via WiFi.

Replacing sensor cassettes and solution packs can be done by the user after 5 minutes of training. In addition there is onscreen user guidance. Choose from cassettes with 100, 300, 600, 900 or 1200 samples.

The ABL90 FLEX analyser is easy to maintain, with up to 30 days in-use lifetime of consumables. You can customise pre-warnings, and easily reuse tests from one consumable on another ABL90 FLEX analyser.

The ABL90 FLEX analyser offers full IT connectivity to the AQURE point-of-care management system, and can be used as a part of Radiometer’s 1st Automatic solution.

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Related knowlegde sources

Guiding you step by step through possible errors in the preanalytical phase

Based on available literature and international best practices, this handbook focuses on the preanalytical phase of blood gas testing and what you can do to minimize errors.
Read more

The acute care testing handbook

Download the free guide on blood gases and other critical parameters in acute care testing.

Download now

Looking for manuals, brochures and other documents?

Browse our digital asset library by product category to find inserts, brochures, product sheets, videos, case stories, scientific insights, bulletins and much more.
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