7. CARDIOVASCULAR SYSTEM electro-encephalography The process of recording brain wave activity. EEG is also the abbreviation for electroencephalogram (the recording) and the electroencephalograph (the instrument). 21-b Abbreviation
11. CARDIOVASCULAR SYSTEM heart muscle Example: myocardial infarction myocardi/o + al Necrosis of a cardiac muscle caused by an obstruction in a coronary artery. 23-b
13. CARDIOVASCULAR SYSTEM pericardium Example: pericardiocentesis pericardi/o + centesis A procedure for drawing fluid from the pericardial space by surgical puncture and aspiration. 24-b
15. CARDIOVASCULAR SYSTEM percutaneous transluminal coronary angioplasty A technique in the treatment of atherosclerotic coronary heart disease in which plaques in the heart arteries are flattened against the arterial walls, resulting in improved circulation. 25-b Abbreviation
17. CARDIOVASCULAR SYSTEM premature ventricular complex/contractions Early or extra heart beats that commonly occur and are usually harmless in normal hearts. 26-b Abbreviation
21. CARDIOVASCULAR SYSTEM sinus Example: sinoatrial node sin/o- + rrhythm/o + al Small area of specialized heart tissue located in the right atrium that conducts impulses through the atria, causing these chambers to contract and pump blood. 28-b
25. CARDIOVASCULAR SYSTEM valve Example: valvotomy valv/o- + tomy Incision into a valve, especially one in the heart, to allow proper opening and closure. 30-b
33. CARDIOVASCULAR SYSTEM vein Example: venography ven/o- + graphy The radiographic examination of veins injected with a radiographic contrast medium 34-b
35. CARDIOVASCULAR SYSTEM ventricle Example: ventriculoperitoneal shunt ventricul/o- + peritone/o + graphy A tubal passageway used to drain excess cerebrospinal fluid from the brain. 35-b
37. CARDIOVASCULAR SYSTEM venule Example: venular venul/o- + ar Pertaining to a venule, a small vein that collects deoxygenated blood from a capillary network and conveys it to a larger vein. 36-b