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Chapter 9
Cardiovascular system
| Term | Definition |
|---|---|
| Heart has __ chambers | 4 |
| Upper chambers | Right and Left atrium |
| Lower chambers | Right and Left ventricle |
| Septum | divides heart into right and left protions |
| Interatrial Septum | Separate the atria |
| Interventricular septum | separates the ventricular |
| Heart valve flow | Mitral>tricuspid>aortic>pulmonary |
| Endocardium | membrane that lines the interior cavities of the heart |
| Myocardium | thick, muscular layer |
| Epicardium | outer membrane |
| Pericardium | loose, protective sac that surrounds and encloses the heart |
| Flow of deoxygenated blood through heart | enters superior vena cava>inferior vena cava> right atrium>tricuspid valve opens>right ventricle>pulmonary valve>pulmonary artery |
| Flow of oxygenated blood through heart | pulmonary veins>left atrium>mitral valve opens>left ventricle>aortic valve>aorta>out |
| Heart receives oxygenated blood | right and left coronary arteries |
| angi/o | vessel |
| aort/o | aorta |
| arteri/o | artery |
| ather/o | fatty (lipid) paste |
| atri/o | atrium |
| cardi/o | heart |
| coron/o | circle or crown |
| my/o | muscle |
| pector/o, steth/o | chest |
| phleb/o, ven/o | vein |
| sphygm/o | pulse |
| thromb/o | clot |
| varic/o | swollen, twisted vein |
| ventricul/o | ventricle |
| Blood pressure | Force exerted by circulating blood on the walls of the arteries, veins, and heart chambers |
| Determination of blood pressure | the volume of blood, the space within the arteries and arterioles, and the force of the heart contractions |
| Diastole | period in cardiac cycle when blood enters relaxed ventricles from the atria |
| Systole | period in cardiac cycle when heart is in contraction and blood is ejected through the aorta and pulmonary artery |
| normotension | normal BP |
| hypotension | low BP |
| hypertension | high BP |
| cardiac conduction | Provides electrical stimulus that is necessary to cause the heart muscle to pump blood by the continual contraction (systole) and relaxation (diastole) of myocardial (heart muscle) cells |
| ACE | angiotensin-converting enzyme |
| ACS | acute coronary syndrome |
| ASD | atrial septal defect |
| AV | atrioventricular |
| BP | blood pressure |
| CABG | coronary artery bypass graft |
| CAD | coronary artery disease |
| CCU | coronary care unit; critical care unit |
| CHF | congestive heart failure |
| CO | cardiac output |
| CTA | computed tomographic angiography |
| CXR | chest x-ray |
| DVT | deep vein thrombosis |
| ECG | electrocardiogram |
| ECHO | echocardiography |
| EKG | electrocardiogram |
| EPS | electrophysiologic study |
| HTN | hypertension |
| ICD | implantable cardioverter defibrillator |
| IV | intravenous |
| MI | myocardial infarction |
| MRA | magnetic resonance angiography |
| MUGA | multiple-gated acquisition (scan) |
| MVP | mitral valve prolapse |
| NSR | normal sinus rhythm |
| PCI | percutaneous coronary intervention |
| PDA | patent ductus arteriosus |
| PET | positron-emission tomography |
| PTCA | percutaneous transluminal coronary angioplasty |
| PVC | premature ventricular contraction |
| RCA | right coronary artery |
| SA | sinoatrial |
| SCA | sudden cardiac arrest |
| STAT | immediately |
| SV | stroke volume |
| TEE | transesophageal echocardiogram |
| tPA/TPA | tissue plasminogen activator |
| VSD | ventricular septal defect |
Created by:
maariiaa
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