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... o Heart rate may be 100-175 beats per minute at rest  2) ________________________ = less than 60 beats/min o Heart does not pump enough oxygenrich blood  Pacemaker – used to maintain a consistent _____________________ when the body’s natural pacemaker (_____________) is not properly functioning ...
Congenital Cardiac Abnormalities - Nicole Stevens
Congenital Cardiac Abnormalities - Nicole Stevens

... Hole between the ventricles One of the most common CHD’s Can occur in different locations and be different sizes. The septum is mainly muscle in one section and mainly fibrous thinner material in another. The location and size will determine the consequence. Untreated, a large VSD can lead to conges ...
Lab. No 12
Lab. No 12

... 1. The blood supply to the myocardium is the coronary circulation; everything else is called the systemic circuit. 2. There are no valves at the point where venous blood flows into the atria. 3. No blood can enter the ventricles until the atria contract. 4. The vagus nerves reduce the heart rate but ...
Exam
Exam

... 43. Acidophils contain acid phosphatase, are increased with allergies such as asthma, and produce heparin for clotting blood. 44. All leukocuytes represent the defense department of the body. 45. The reticulocyte is the precursor of the erythrocyte. 46. Leukocytes spend most of their lives in the bl ...
Intro to Cardiology
Intro to Cardiology

... Aortic stenosis – narrowing of the aortic valve, impeding blood delivery to body Mitral stenosis – valvular heart disease characterized by narrowing of orifice of mitral valve Regurgitation occurring due to valve not closing properly when heart pumps out blood; abnormal leaking of blood from LV thro ...
Sheep Heart Dissection Guide
Sheep Heart Dissection Guide

... 1. Identify the right and left sides of the heart. Look closely and on one side you will see a diagonal line of blood vessels that divide the heart. The half that includes all of the apex (pointed end) of the heart is the left side. 2. Confirm this by squeezing each half of the heart. The left half ...
Sheep Heart Dissection Info Sheet
Sheep Heart Dissection Info Sheet

... 1. Identify the right and left sides of the heart. Look closely and on one side you will see a diagonal line of blood vessels that divide the heart. The half that includes all of the apex (pointed end) of the heart is the left side. 2. Confirm this by squeezing each half of the heart. The left half ...
Echocardiography
Echocardiography

... APPLICATION OF THE TECHNIQUE: ...
Pulmonary Valve Stenosis and Regurgitation
Pulmonary Valve Stenosis and Regurgitation

... pulmonary stenosis (PS) causes the right ventricle to pump harder to get blood past the blockage. Normally the pulmonary valve has three cusps. If these cusps are malformed, the valve may become narrowed (stenotic) or leaky (regurgitant or insufficiency). Pulmonary valve stenosis is much more common ...
heart - eSSUIR
heart - eSSUIR

... • The heart is a cone-shaped, muscular organ located between the lungs behind the sternum. • The heart muscle forms the myocardium, with tightly interconnect cells of cardiac ...
Circulatory System ppt Notes
Circulatory System ppt Notes

... fossa ovalis is left after it closes The pulmonary trunk had high resistance (because lungs not functioning yet) & ductus arteriosus shunted blood to aorta; becomes ligamentum arteriosum after birth ...
Chapter 20 The Heart
Chapter 20 The Heart

... All four valves close at this time and this brief period is called _________________________________. ...
ABOUT THE HEART
ABOUT THE HEART

... by the heart's beating. It's a generic term, and people can even feel palpitations when their heart is beating normally. Some palpitations can feel like a fluttering, a racing, or a pounding in the chest. Others may feel like a heavy or hollow feeling in the chest, or a feeling of a "skipped" or "mi ...
Cardiovascular Lecture:
Cardiovascular Lecture:

... a. P wave: first waveform - depolarization of the atria b. Q,R,S complex is the next waveform: depolarization of the ventricles c. T wave: repolarization of the ventricles. ...
Human Heart Chapter
Human Heart Chapter

... The mammalian heart is autorhythmic, since it will continue to beat if removed from the body (and kept in an appropriate solution). Heart contractions are, therefore, not dependent upon the brain, rather the rhythm comes from within the heart itself. The heart is composed almost entirely of large, s ...
37.1 The Circulatory System
37.1 The Circulatory System

... Pulmonary Artery ...
An atrioventricular septal defect (AVSD)
An atrioventricular septal defect (AVSD)

... to confirm the diagnosis. The baby would be discharged with you and come back for follow-up appointments. If there are other issues, or if there are any problems after birth, the baby will go to the neonatal intensive care unit. The baby would be stabilized and an echocardiogram would be done. The c ...
Blood-Device Interactions
Blood-Device Interactions

... 51. The four chambers of the heart include the following: a. Right Atrium, Right Ventricle, Left Atrium, Left Ventricle b. Right Aorta, Right Ventricle, Left Aorta, Left Ventricle c. Right Atrium, Right Valve, Left Atrium, Left Valve d. None of the above 52. Where is the Mitral Valve located within ...
Practical - ISpatula
Practical - ISpatula

... -The diagram represents action potential in the left ventricle, and all followed events occur in ventricle. -For this ventricle, to eject blood, what phase do we need? QRS. ...
The Heart Chapter 18 Part 1
The Heart Chapter 18 Part 1

... – Serves as a point of insertion for cardiac muscle and as an electrical insulator. ...
Heart - Fulton County Schools
Heart - Fulton County Schools

... Hold out your hand and make a fist. If you're a kid, your heart is about the same size as your fist, and if you're an adult, it's about the same size as two fists. Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will b ...
AMA 178 powerpoint
AMA 178 powerpoint

... where it travels into the pulmonary artery (only artery in the body that carries oxygen poor blood); this branches into two sections, one to each lung. Blood passes into the pulmonary capillaries where it picks up oxygen rich blood and then goes back through the heart to be pumped to all areas of th ...
the heart <3
the heart <3

... BLOOD AND THE HEART FUN FACTS ♦ An average adult human contains about 5 liters (5.3qt) of blood. ♦ The blood makes up about onethirteenth of the body’s weight. ♦ The adult heart weighs about 280 grams (10 oz.) ♦ At rest, the heart pumps out about 80 millimeters (2.6 oz) of blood with each beat. ♦ ...
Lymph
Lymph

... The thymus secretes a hormone, thymosin, that causes preT-cells to mature (in the thymus) into T-cells Larger lymphoid organ of the body filled with blood. Circulates blood rather than lymph Functions: ...
Document
Document

... ventricles contract with a twisting motion, forcing blood into the aorta and pulmonary trunk ...
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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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