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Medical Terminology
Medical Terminology Must-Know List
| Term | Definition |
|---|---|
| ABRASION | Scaping of the skin. |
| ACUTE | Having a sudden onset, sharp rise, and short course. |
| ALLERGY | Hypersensitivity to a foreign substance. |
| AMBULATORY | Walking or able to walk. |
| ANAPHYLACTIC SHOCK | A serious, often life-threatening, allergic reaction. |
| ANEURISM | Dilation of an artery due to blood pressure on a weakened wall. |
| ANGINA PECTORIS | Chest pain caused by decreased blood (oxygen) supply to the heart muscle, e.g. narrowing of coronary arteries. |
| APNEA | Cessation of breathing. |
| APPENDICITIS | Inflammation of the appendix. |
| ARRHYTHMIA | Any variation from normal rhythm of the heartbeat. |
| ARTERIOSCLEROSIS | Hardening of the walls of the arteries. |
| ASPHYXIA | A condition caused by inadequate intake of oxygen. |
| ASPIRATION | 1. Drawing in of vomitus or fluid into the respiratory tract. 2. Withdrawal of fluid by suction. |
| ASTHMA | Disease marked by increased mucous production and chronic inflammation of the bronchial tubes resulting in difficulty in breathing. |
| BENIGN | Not malignant - has the ability to grow and be harmful but does not spread to adjacent tissue. |
| BLOOD PRESSURE | Pressure of the blood exerted against vessel walls. (systolic pressure/diastolic pressure) |
| BRONCHITIS | Inflammation of the bronchial tubes. |
| CARCINOMA | A form of cancer. |
| CARDIAC ARREST | Stoppage of effective heart action. |
| CARDIAC | Pertaining to the heart. |
| CATHETERIZATION | The placement of a tube into the body, usually for drainage reasons. |
| CERVICAL | Pertaining to the neck. |
| CHRONIC | Marked by long duration or frequent recurrence: not acute |
| COMA | Unconsciousness from which the patient cannot be aroused - deep and prolonged. |
| CONGESTIVE HEART FAILURE (CHF) | Heart cannot efficiently pump blood due to previous heart muscle damage. |
| CONSCIOUS | Mentally awake - responds to stimuli. |
| CONTUSION | Injury to tissues without skin breakage (bruise). |
| CONVULSIONS | Involuntary contraction and relaxation of the voluntary muscles. |
| CORONARY HEART DISEASE | Blood supply to the heart is decreased by the narrowing of coronary arteries. |
| CYANOSIS | Blueness of the skin due to oxygen deficiency in the blood and tissues. |
| DEHYDRATION | Inadequate amount of water in the body tissues. |
| DELIRIUM | Usually a temporary mental disturbance noted by illusions, wandering speech and hallucinations. |
| DEPRESSION | Lowered mental and physical activity. |
| DERMATITIS | Inflammation of the skin. |
| DIABETES | Body does not regulate blood sugar level properly - usually due to lack of insulin. |
| DIAPHORESIS | Profuse sweating (diaphoretic). |
| DIASTOLE | Relaxation phase of heartbeat. |
| DISORIENTATION | Mental confusion - loss of recognition of time, place of persons. |
| DYSPNEA | Difficult or labored breathing. |
| ECTOPIC | Not in normal place (e.g. tubal pregnancy) |
| EDEMA | Abnormal accumulation of fluid in the tissues. |
| EMBOLUS | Foreign substance or air bubble in blood vessel, which partially or completely obstructs the blood flow (Embolism) |
| EMPHYSEMA | A chronic condition of the lung marked by abnormal dilation of its air spaces and distension of its walls. |
| EPILEPSY | Chronic disease marked by attacks of convulsions. |
| EPISTAXIS | Nosebleed. |
| GASTROINTESTINAL | Pertaining to the stomach and intestines (e.g., G.I. Bleed) |
| GLAUCOMA | Condition of excess pressure of fluid in the eye. |
| HEMATOMA | Collection of blood in a muscle or tissue. |
| HEMATURIA | Blood in the urine. |
| HEMOPHILIA | Hereditary blood disease characterized by prolonged coagulation time. |
| HEMORRHAGE | External or internal escape of blood from a vessel. |
| HEMOTHORAX | Collection of blood in the thoracic cavity. |
| HYPERTENSION | Elevation in blood pressure (a.k.a. - High Blood Pressure) |
| HYPERVENTILATION | Increase in rate or depth (or both) of respiration. |
| HYPOGLYCEMIA | Abnormally low amount of sugar in the blood. |
| HYSTERIA | A state of tension or excitement in which there is a temporary loss of control over actions and emotions. |
| INSULIN | Hormone (natural or artificial) to regulate sugar level in the body. |
| INTUBATION | Insertion of a tube, e.g., into trachea to open airway. |
| ISOLATION | Containment of persons having infectious diseases. |
| LEUKEMIA | Abnormal increase of white blood cells in the body. |
| MALIGNANT | Tends to become worse and result in death. |
| MENINGES | Three membranes covering the brain and spinal cord. |
| MENINGITIS | Inflammation of the meninges. |
| MISCARRIAGE | Interruption of pregnancy prior to the fifth month. |
| MYOCARDIAL INFARCTION | Damage to the heart muscle resulting from blocked or restricted coronary arteries (a.k.a. - MI) |
| MYOCARDIUM | Heart muscle |
| ORTHOPNEA | Inability to breathe in a supine position. |
| PALLOR | A pale appearance to the skin. |
| PARALYSIS | Loss or impairment of the ability to move body parts. |
| PARAPLEGIA | Paralysis of the lower body and legs. |
| PHLEBITIS | Inflammation of a vein. |
| PNEUMONIA | Infection that occurs when fluid and cells collect in the lungs. |
| PNEUMOTHORAX | Presence of air or gas in the thorax cavity. |
| PROSTRATION | Extreme exhaustion. |
| QUADRIPLEGIA | Paralysis affecting all four limbs. |
| RIGOR MORTIS | Stiffening of the muscles after death. |
| SCLEROSIS | Hardening of a part. |
| SHOCK | A state of collapse resulting from inadequate tissue perfusion. |
| SIGNS | Observed changes in a patient's body. |
| SPASM | Sudden involuntary contraction. |
| STOMA | Artificial opening between body cavity and body opening. |
| STROKE | Sudden decrease or loss of conciousness, sensation, and/or voluntary motion caused by rupture or obstruction (as by a clot) of an artery of the brain (a.k.a. C.V.A. - Cerebral Vascular Accident) |
| STUPOR | A state of reduced responsiveness or partial unconsciousness. |
| SYMPTOM | Complaint or description of something associated to the illness as stated by the patient. |
| SYSTOLE | Contracting phase of the heartbeat. |
| THROMBUS | Blood clot which forms in a blood vessel or in the heart cavity |
| TRAUMA | Wound or injury from an external force. |
| TRIAGE | Sorting, according to initial examination, of casualties in a disaster situation. |
| TUMOR | Abnormal growth of cells. |
| UMBILICAL CORD | Cord-like vessel for the conveyance of nutrients and waste between the unborn child and placenta. |
| UNCONSCIOUSNESS | Lack of environmental awareness - incapability to react to sensory stimuli. |