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Definition
| lies just to the left of the center of the chest, shaped like an upside down pyramid with the base at the second rib and the apex at the sixth rib; resides inside a tough, fibrous sac with a thin serous, fluid between the heart muscle and the pericardial sac |
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Definition
| outer layer that slides against the epicardial sac |
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Definition
| makes up majority of the muscle of the heart; what contracts to pump blood through the body |
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Definition
| thin layer of endothelial tissue that is the base for other structures such as the valves and papillary muscles |
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| separate the atria and the ventricles |
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| AV valve that separates right atria and ventricle |
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| AV valve that separates left atria and ventricle |
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| pull the valves open when the ventricles relax |
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Definition
| separate the ventricles from the great vessels |
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| between the right ventricle and the pulmonary arteries |
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| between the left ventricle and the aorta |
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Definition
| carry blood away from the heart, carry oxygenated blood except for the pulmonary artery which carries deoxygenated blood from the heart to the lungs |
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Definition
| carry blood toward the heart, called capacitance vessels |
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Term
| Myocardial Infarction (MI) |
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Definition
| death of myocardial tissue (heart muscle), most commmon in left ventricle, heart muscle is unable to contract appropriately causing arryhtmias and decreased cardiac output; caused by build-up plaque in the artery and lack of oxygen; symptoms include crushing chest pain radiating down left arm and up into neck and jaw, sweating, dizziness, & anxiety |
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Term
| Congestive Heart Failure (CHF) |
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Definition
| the heart is unable to pump efficiently, usually due to excess fluid; symptoms of left-sided failure include fatigue, weakness, cough with pink-tinged sputum, symptoms of right-sided failure include fatigue, weight gain, SOB, palpitations, increased urination from fluid retention, and also peripheral edema usually seen in lower extremities |
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Term
| Deep Vein Thrombosis (DVT) |
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Definition
| clot formation in a large vein; symptoms include swelling, redness, warmth to extremity, pain, tenderness |
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Definition
| clot that has become lodges in a pulmonary artery or one of the smaller vessels in the lungs; symptoms include chest pain and SOB |
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| decrease in blood flow into an extremity usually seen in trauma cases; symptoms include 5 P's-pain to extremity, pallor to the skin, pulselessness, parasthesia or tingling to the extremity, paralysis to the extremity |
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| Receiving chambers b/c they receive blood from veins |
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| pumping chambers b/c they push blood into the large network of vessels |
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