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Heart
Heart

... •The blood flow distal to the cuff is detected with a stethoscope placed over the brachial artery, near the elbow. When the pressure in the cuff is greater than in the artery, the vessel is occluded and there is no blood flow. When the pressure in the cuff is reduced to less than in the artery, the ...
pulmonary valve
pulmonary valve

... 1. MVP - mitral valve prolapse, the mitral valve does not close all the way; this creates a clicking sound at the end of a contraction. 2. Heart Murmurs – valves do not close completely, causing an (often) harmless murmur sound. Sometimes holes can occur in the septum f the heart which can also caus ...
Ch 11 sec 2
Ch 11 sec 2

... – May need internal pacemaker ...
circulatory system
circulatory system

... • The ventricles are the real workhorses, they must force the blood away from the heart with sufficient power to push the blood all the way back to the heart. ...
Cardiovascular 1b – Heart and Circulation
Cardiovascular 1b – Heart and Circulation

... Tunica Intima Endothelium Lumen 7. Define the pulmonary circulation Blood is taken from the right ventricle to the lungs via the pulmonary artery. Pulmonary veins then bring blood back from the lungs to the left atria. 9. Define the systemic circulation ...
Heart/Cardiovascular
Heart/Cardiovascular

... Heart Block – Some P-waves not conducted through (see more P-waves) ...
Heart - ShevClasses
Heart - ShevClasses

... diastolic pressures, the flow is intermittent and the spurts can be heard with the stethoscope. The highest pressure (in mm Hg) at which blood passes under the cuff is the systolic pressure and the pressure at which the blood begins to flow continuously is the diastolic pressure. The results are giv ...
Heart Notes
Heart Notes

... – Clot Dissolvers – dissolve clots within 8 hours of formation. Streptokinase, TPA. – Antibiotics – kill microorganisms (not viruses). PCN, Tetracycline, Bactrin, Septra, Cipro, Gentamycin – ASA – increase clotting time. Given as prophylactic daily or 1st Aid for MI. ...
sample
sample

... Tricuspid and mitral valves ...
Heart Webquest
Heart Webquest

... 1. Label the parts of the heart shown below. The first two websites will have diagrams of the heart. ...
Anatomic description of the heart of an ostrich (Struthio camelus)
Anatomic description of the heart of an ostrich (Struthio camelus)

... The ostrich (Struthio camelus) is a bird with considerable commercial value involving the exploitation of its meat, leather, feathers and eggs, including the shells. Most of the meat is located on the thighs and back. The heart of birds is similar to that of mammals, except for some characteristics, ...
No Slide Title
No Slide Title

... Back ...
the tip of the heart is
the tip of the heart is

... Pulmonary Trunk - large artery that takes the unoxygenated blood from the right ventricle to the lungs - divides into right and left pulmonary arteries Pulmonary Veins - large veins (4) that bring oxygenated blood back from the lungs empty into the left atrium Ascending Aorta - large artery that tak ...
Rapid ventricular pacing versus adenosine administration for
Rapid ventricular pacing versus adenosine administration for

... Open heart surgery for patients who needs valvular replacement is standard approach. Many patients with a single diseased valve were declined for surgery because of advanced age, end-stage disease and comorbidities with short life expectancy. In such patients percutaneous transfemoral aortic valve ...
Chapter 20
Chapter 20

... Each heart chamber goes through systole and diastole Correct pressure relationships are dependent on careful timing of contractions ...
Sheep Heart Dissection Lab
Sheep Heart Dissection Lab

... a. Locate the visceral pericardium, which appears as a thin, transparent layer on the surface of the heart. Use a scalpel to remove a portion of this layer and expose the myocardium beneath. Also note the abundance of fat along the paths of various blood vessels. This adipose tissue occurs in the lo ...
Sheep Heart Dissection Lab
Sheep Heart Dissection Lab

... 1. Obtain a preserved sheet heart. Rinse it in water thoroughly to remove as much of the preservative as possible. Also run water into the larger blood vessels to force any blood clots out of the heart chambers. 2. Place the heart in a dissecting tray with its ventral surface up (See Figure 36.4 bel ...
Chapter 3 tilk powerpoint - University Health Care System
Chapter 3 tilk powerpoint - University Health Care System

... normally not heart • A diseased aortic/pulmonic valve may produce an ejection sound ...
Heart Valves
Heart Valves

... 3• Edema and weight gain (right ventricular failure, HF) 4• Palpitations (dysrhythmias resulting from myocardial ischemia, valvular heart disease, ventricular aneurysm, stress, electrolyte imbalance) 5• Fatigue (earliest symptom associated with several cardiovascular disorders) 6• Dizziness and sync ...
Truncus Arteriosus
Truncus Arteriosus

... Pulmonary (lung) resistance is lower than systemic (body) resistance. Therefore, there is usually increased blood flow to the lungs. This increased pulmonary blood flow can lead to congestive heart failure. These infants have rapid breathing, irritability, difficulty feeding and gaining weight. Beca ...
Abnormal Hemodynamics
Abnormal Hemodynamics

... 8nl ...
Heart Lecture Test Questions – Set 1
Heart Lecture Test Questions – Set 1

... What is between the parietal and visceral serous pericardial layers: a. fibrous pericardium b. an air filled space c. serous fluid d. cardiac skeleton e. nothing, since they are not even close to each other ...
M19 Lesson 11 12.2 HANDOUT
M19 Lesson 11 12.2 HANDOUT

... •“lub” is the closing of the atrioventricular valves •“DUB” is the closing of the semilunar valves Sound variations can indicate heart problems, such as a stenosis murmur, or narrowing of a heart valve or artery. ...
Coverings, Layers & Chambers Pathway of Blood Heart Valves
Coverings, Layers & Chambers Pathway of Blood Heart Valves

... Cardiac veins return blood to this location before the blood enters the right atrium. Coronary Sinus ...
Chp.6 Circulatory System 1
Chp.6 Circulatory System 1

... Chambers and valves of heart interior • Valves – Allow blood to flow in only one direction ...
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Artificial heart valve



An artificial heart valve is a device implanted in the heart of a patient with valvular heart disease. When one of the four heart valves malfunctions, the medical choice may be to replace the natural valve with an artificial valve. This requires open-heart surgery.Valves are integral to the normal physiological functioning of the human heart. Natural heart valves are evolved to forms that perform the functional requirement of inducing unidirectional blood flow through the valve structure from one chamber of the heart to another. Natural heart valves become dysfunctional for a variety of pathological causes. Some pathologies may require complete surgical replacement of the natural heart valve with a heart valve prosthesis.
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