Cardiovascular System Case Study

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Cardiovascular system is an organ system that helps in the circulation of blood and transportation of nutrients, oxygen, carbon dioxide and hormones to and from the cells in the body to provide nourishment and prevent diseases, stabilize temperature and pH and maintain homeostasis. It consists of the heart and the blood vessels. This assignment contains different aspects of the same. The first question is about the various differences between the cardiovascular system of a normal adult and older adult followed by the brief description of the main medical problems related to cardiovascular diseases and the effects of various factors including genetics, gender and stress etc, as the determinants of these problems. Finally, it consists of various …show more content…
-High resistivity to infections due to -Resistivity towards infections and strong immunity (neutrophils). diseases decreases due to weak immunity (neutrophils).
BLOOD VESSELS: -Normal walls of capillary leading to -The capillary walls thicken slightly regular exchange of materials through leading to slower rate of exchange of blood. of nutrients and waste materials.
The five common medical problems related to cardiovascular diseases are:-

Coronary Artery Disease(CAD):
CAD is called atherosclerosis, or hardening, of the arteries that provide vital oxygen and nutrients to the heart. It occurs generally due to the settling down of excess cholesterol in the arteries, narrowing and blocking the space through which the blood flows. It leads to pain in the chest, shortness of breath and also becomes the cause of heart
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Role of gender: Differences in sex does not affect the condition of failure of heart.
Role of psychological stress: Stress may affect behaviours and factors that increase heart disease risk including high blood pressure and cholesterol levels, leading to strokes in the heart.

In cardiomyopathy, the heart muscle becomes enlarged, thick, or rigid. In rare cases, the muscle tissue in the heart is replaced with scar tissue. As cardiomyopathy worsens, the heart becomes weaker. It 's less able to pump blood through the body and maintain a normal electrical rhythm. This can lead to heart failure or irregular heartbeats called arrhythmias. In turn, heart failure can cause fluid to build up in the lungs, ankles, feet, legs, or abdomen.
Role of genetics: The risk of cardiomyopathies increases when there are pre-existing genetic condition known as monogenic conditions for it.
Role of gender: Men have an increased incident and severity of most cardiovascular diseases including cardiomyopathy than women.
Role of psychological stress: Intense emotional or physical stress leads to rapid and severe reversible cardiac dysfunction causing cardiomyopathy.

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