VENTRICULAR DYSFUNCTION Meaning and
Definition
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Ventricular dysfunction refers to the impaired or abnormal functioning of the ventricles, which are the lower two chambers of the heart responsible for pumping blood to the rest of the body. It is a medical condition characterized by a reduced ability of the ventricles to effectively contract and pump blood, leading to inadequate blood flow to various organs and tissues.
There are two main types of ventricular dysfunction: systolic dysfunction and diastolic dysfunction. Systolic dysfunction occurs when the ventricles have difficulty contracting and ejecting blood during each heartbeat. This leads to a decrease in the amount of blood pumped out of the heart, resulting in decreased cardiac output. Diastolic dysfunction, on the other hand, involves the impaired ability of the ventricles to relax and fill with blood during the heart's resting phase (diastole). As a result, the ventricles become less compliant and have reduced capacity to receive an adequate amount of blood.
Causes of ventricular dysfunction can vary and may include coronary artery disease, heart attack (myocardial infarction), heart valve disease, high blood pressure (hypertension), cardiomyopathy (a disease of the heart muscle), and certain medications or toxins.
Symptoms of ventricular dysfunction may include fatigue, shortness of breath, chest pain, edema (swelling), and irregular heartbeat. Treatment options aim to address the underlying cause and can include lifestyle modifications, medications to improve heart function, and possibly surgical interventions such as bypass surgery or heart valve repair/replacement.
Common Misspellings for VENTRICULAR DYSFUNCTION
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Etymology of VENTRICULAR DYSFUNCTION
The word "ventricular" is derived from the Latin term "ventriculus", which means "little belly" or "cavity". In anatomy, ventricles refer to hollow chambers or cavities, particularly in the heart and brain.
The term "dysfunction" comes from the prefix "dys-", meaning abnormal or impaired, and the word "function", which refers to the normal action or activity of an organ or system.
Therefore, the etymology of "ventricular dysfunction" indicates an abnormal or impaired functioning of the ventricles, particularly in the context of the heart.
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