arterial line

Also found in: Dictionary, Thesaurus, Legal, Financial, Encyclopedia, Wikipedia.
Related to arterial line: Central line


1. a stripe, streak, or narrow ridge; sometimes only an imaginary connector between two anatomic landmarks. Called also linea. adj., adj lin´ear.
2. tubing on a catheter.
absorption l's dark lines in the spectrum due to absorption of light by the substance through which the light has passed.
arterial line a monitoring system that uses an artery for access and consists of a catheter in the artery, pressure tubing, a transducer, and an electronic monitoring device. The most common uses of arterial lines are for monitoring of systemic blood pressure and obtaining arterial blood for analysis.
Beau's l's transverse lines or grooves in the nail plate caused by various systemic and local traumatic factors.
Beau's line. From Polaski and Tatro, 1996.
bismuth line a thin blue-black line along the gingival margin in bismuth poisoning.
blue line lead line.
cement line a line visible in microscopic examination of bone in cross section, marking the boundary of an osteon (haversian system).
cervical line anatomical designation for the cementoenamel junction.
cleavage l's Langer's lines.
line of Douglas a crescentic line marking the termination of the posterior layer of the sheath of the rectus abdominis muscle.
l's of election lines of expression.
epiphyseal line one on the surface of an adult long bone, marking the junction of the epiphysis and diaphysis.
l's of expression the natural skin lines and creases of the face and neck; the preferred lines of incision in facial and cervical surgery.
gingival line
1. a line determined by the level to which the gingiva extends on a tooth; called also gum line.
2. any linear mark visible on the surface of the gingiva.
gluteal line any of the three rough curved lines (anterior, inferior, and posterior) on the gluteal surface of the ala of the ilium.
gum line gingival line (def. 1).
hot line see hot line.
iliopectineal line the ridge on the ilium and pubes showing the brim of the true pelvis.
incremental l's lines supposedly showing the successive layers deposited in a tissue, as in the tooth enamel.
intertrochanteric line one running obliquely from the greater to the lesser trochanter on the anterior surface of the femur.
Langer's l's linear clefts in the skin indicative of the direction of the fibers; they correspond closely to the creases of the body but vary with body configuration. Lines of incision made parallel to them are thought to heal more efficiently. Called also cleavage lines.
lead line a purple-blue line at the edge of the gums in chronic lead poisoning; called also blue line.
lip line a line on the teeth at the level to which the margin of either lip extends.
median line an imaginary vertical line dividing the body equally into right and left parts.
milk line the line of thickened epithelium in the embryo along which the mammary glands are developed.
mylohyoid line a ridge on the inner surface of the lower jaw from the base of the symphysis to the ascending rami behind the last molar tooth.
nuchal l's three lines (inferior, superior, and highest) on the outer surface of the occipital bone.
pectinate line one marking the junction of the zone of the anal canal lined with stratified squamous epithelium and the zone lined with columnar epithelium.
semilunar line a curved line along the lateral border of each rectus abdominis muscle, marking the meeting of the aponeuroses of the internal oblique and transverse abdominal muscles.
Shenton's line a curved line seen in radiographs of the normal hip, formed by the top of the obturator foramen; it is used to determine the relationship between the head of the femur and the acetabulum.
temporal l's curved ridges, inferior and superior, on the external surface of the parietal bone, continuous with the temporal line of the frontal bone, a ridge that extends upward and backward from the zygomatic process of the frontal bone.
terminal line one on the inner surface of each pelvic bone, from the sacroiliac joint to the iliopubic eminence anteriorly, separating the false from the true pelvis.
visual line a line from the point of vision of the retina to the object of vision; called also visual axis.

ar·te·ri·al line

an intraarterial catheter.

arterial line (A-line, Art-line)

an arterial blood monitoring system consisting of a catheter inserted into an artery and connected to pressure tubing, a transducer, and a monitor. The device permits continuous direct blood pressure readings as well as access to the arterial blood supply when samples are needed for analysis.

ar·te·ri·al line

(ahr-tēr'ē-ăl līn)
An intraarterial catheter usually connected to a monitoring system consisting of pressure tubing, a transducer, and a monitor that permits continuous monitoring of blood pressure and access to arterial blood for sample analysis.
References in periodicals archive ?
The use of arterial lines, central lines and neuraxial anaesthesia should probably be as per usual indications so long as the potential hazards are recognised.
Reduction of blood loss from diagnostic sampling in critically ill patients using a blood conserving arterial line system.
Tensys Medical introduces the TL-150, the only continuous, non-invasive blood pressure monitoring system with accuracy clinically proven equivalent to an arterial line.
Arterial lines are typically placed in intensive-care units to monitor patients' blood pressure and assess their arterial blood gas levels.
Plaintiffs maintained that from September 15 - 17, the ICU nursing staff failed to perform dynamic response testing on the arterial line that was being used to evaluate Mr.
On this flight, we were having problems with a leaking arterial line.
When Mr Jawaid awoke, he was confused and he tried to pull out his arterial line before pulling out his tracheal tube.
In preparation for placement of the epidural, we used standard monitors, an arterial line (to closely monitor blood pressures), and a central line (to facilitate placement of a pulmonary artery catheter, which we later placed).
During the flight, her blood pressure began to fluctuate and the doctors were forced to create an arterial line (a thin catheter inserted into an artery) to stabilise her.
For each patient, two arterial blood samples were collected at the same time using the arterial line.
The product allows medics to check for signs of infection, and also prevents accidental removal of the cannula or the accidental injection of medicines into the arterial line.
5F Swan Ganz catheter, Edwards Lifesciences, Irvine, CA, USA) and radial arterial line (20 G, Angiocath[TM], Dickinson Infusion Therapy Systems, Sandy, Utah, USA) were inserted in the sedated patient prior to induction of general anaesthesia.