Across
- 1. The flat portion of the heart on the right side of the mediastinum.
- 3. The heart sound that results from the closing of the AV valves.
- 7. The volume of blood pumped during each cardiac cycle (70 ml) is called the ___ volume.
- 11. Term for difficulting in breathing during an angia attack.
- 13. A pressure of 120 ml of Hg may result due to _____ systole.
- 14. The type of heart chamber that has thick muscular wall.
- 15. Another name for the bicuspid valve between the left atria & ventricle.
- 16. The ___ node cause beats at about 40 to 60 per minute.
- 17. Abbreviation for electrocardiogram.
- 19. Thin connective tissue known as heart strings connecting the papillary muscles to the AV valves.
- 21. Relaxation of a heart chamber.
- 23. Blood leaves the heart through the ______ valve.
- 25. The repetitive pumping process that begins with the onset of a cardiac contraction to the beginning of the next contraction is called the cardiac ____.
- 26. The total amount of blood pumped/min is called cardiac ____.
- 27. Large artery that the left ventricle opens into to carry blood to the systemic circulation.
- 29. The smooth inner surface layer of the cardiac wall.
- 31. Prolonged ischemia to the cardiac muscle can cause cell death resulting in a ______.
- 32. Muscular layer of the heart wall.
- 33. Another name for the SA node
- 35. A double layered closed sac that surround and cushions the heart.
- 37. The AV node extension into the interventricular septum is called the atrioventricular ____.
- 40. The partition wall between atria and ventricles is called a ____.
- 41. A surgical technique that uses a balloon like structure to increase the diameter of coronary arteries.
- 43. Structurally descriptive name for the right AV valve.
Down
- 2. The thin walled entrance chambers of the heart.
- 4. A blood pressure sensory receptor in the carotid or aortic sinus.
- 5. A large coronary ___ runs obliquely around the heart separating the atria from the ventricles.
- 6. Contraction of a heart chamber.
- 7. The node in the right atrium the initiates heart beats at 70 to 80 times/min.
- 8. The large artery leaving the heart that carries blood to the lungs is called the _____ trunk.
- 9. Term used to describe a heart rate less then 60 beats/min.
- 10. A blood oxygen deficiency to an organ.
- 12. A condition in which one or both of the cusps of the mitral valve is stretched so that it bulges in to the left atrium.
- 18. Term for meaning between the ventricles.
- 20. Term used to describe a heart rate in excess of 100 beats/min.
- 21. Profuse perspiration accompanying an attack of angia pectoris.
- 22. Muscles that keep the AV valve from opening into the atria when the ventricles contract.
- 23. The higher-pitched ___ heart sound is produced when the semilunar valves close near the end of ventricular systole.
- 24. Venous blood returning from the cardiac circulation collects in the ___ ____ before it enters the right atrium.
- 28. Condition lacking a definite rhythm or no rhythm.
- 30. Flap like ___ are extensions of the atria.
- 34. BP may be increased by increasing ___ resistance. (vasoconstriction)
- 36. Abnormal heart sounds.
- 38. Cardiac muscle cells that form a knot or lump are referred to as a ___.
- 39. The more pointed part of the whole heart is called the ___.
- 42. Abbreviation for blood pressure.