Terminology I
TERMINOLOGY
1. Absolute Zero
A temperature of approximately -273.2°C or -459.8°F.
Defined as the complete absence of heat.
2. Aerosol
Description: Suspension of fine solid or liquid particles in a gas.
3. Ambulatory
Condition characterized by the patient being able to walk about;
Not confined to bed.
4. Antiseptic
Definition: A substance that will inhibit the growth and development of microorganisms.
Note: It does not necessarily destroy microorganisms, but prevents their growth.
5. Arrhythmia
Definition: An alteration or abnormality of the normal cardiac rhythm.
6. Atelectasis
Condition: A collapsed or airless state of the lung.
7. Bifurcation
Definition: The division into two branches.
8. Bronchodilator
Action: A substance that dilates or expands the lumina or air passages of the lungs.
9. Cardioversion
Description: An elective procedure in which an electric current is delivered to the heart.
Purpose: Aimed to terminate dangerous arrhythmias.
10. Contraindication
Definition: Any condition of disease that renders a particular line of treatment improper or undesirable.
11. Cystic Fibrosis
Description: An inherited disease affecting exocrine glands.
Affects the pancreas, respiratory system, and sweat glands.
12. Diuresis
Definition: Increased secretion of urine.
13. Electrolyte
Definition: Any solution that conducts electricity via its ions.
14. Etiology
Definition: The science or study of the causes of disease.
15. Febrile
Definition: Pertaining to fever; indicative of a state that is feverish.
16. Hemoglobin
Definition: The oxygen-carrying red pigment found in red blood cells.
17. Hilus of Lung
Definition: A depression located in the mediastinal surface of the lung.
Function: Acts as the entry point for bronchi, blood vessels, nerves, etc.
18. Hypervolemia
Definition: An abnormal increase in the volume of circulating fluid (plasma) in the body.
19. Infarct
Definition: An area of necrosis in the tissue resulting from local obstruction of circulation to that area.
20. Ischemia
Definition: A local decrease in blood supply due to obstruction of arterial blood, or as a result of vasoconstriction.
21. Medial
Definition: A part that is located close to the midline of the body.
22. Parietal
Definition: A layer of tissue that is adherent to the inner surface of the chest wall, diaphragm, and mediastinum.
23. pH
Definition: A symbol commonly used to express hydrogen-ion concentration, which measures alkalinity and acidity.
Note: pH 7 is considered the neutral point; values above 7 increase alkalinity, while values below 7 increase acidity.
24. Pleurisy
Description: Inflammation of the pleura, which may be dry (fibrinous) or serofibrinous with nonpurulent effusion.
25. Prognosis
Definition: A prediction regarding the probable course and outcome of a disease, injury, or developmental abnormality in a patient.
Based on general knowledge of conditions, as well as specific information and the exercise of clinical judgment on a particular case.
26. Pulmonary Edema
Description: Usually characterized as an acute condition, but can be subacute or chronic.
Features: Marked by an excess of fluid in the extravascular spaces of the lungs.
27. Radiopaque
Definition: A property of a material that does not permit the passage of radiant energy (such as x-rays).
28. Respiration
Definition: The process fundamentally concerning gas exchange.
29. Spirometer
Description: A device used for measuring and recording the amount of air inhaled and exhaled.
30. Stridor
Definition: A harsh, high-pitched respiratory sound; an example includes the inspiratory sound heard in acute laryngeal obstruction.
31. Systemic Circulation
Definition: The general circulation that carries oxygenated blood from the left ventricle to various tissues throughout the body, returning venous blood to the right atrium of the heart.
32. Tenacious
Definition: Describes a property of being cohesive.
33. Vasculature
Definition: Refers to a system of vessels, usually in relation to blood vessels in the body.
34. Ventral
Definition: Pertaining to the front or anterior aspect of an organism or structure.