Heart assist device
Heart assist device
A Heart assist device (pronounced: /hɑːrt əˈsɪst dɪˈvaɪs/) is a mechanical device that is used to support the function of the heart and blood circulation in people who have weakened hearts.
Etymology
The term "Heart assist device" is derived from the English words "heart" (the organ that pumps blood through the body), "assist" (to give support or aid), and "device" (a thing made for a particular purpose, especially a piece of mechanical or electronic equipment).
Types of Heart Assist Devices
There are several types of heart assist devices, including:
- Ventricular assist device (VAD): A mechanical pump that's used to support heart function and blood flow in people who have weakened hearts.
- Total artificial heart (TAH): This device replaces the two lower chambers of the heart. You might be eligible for a TAH if both of your ventricles don't work due to end-stage heart failure.
- Intra-aortic balloon pump (IABP): This is a type of heart assist device that helps your heart pump more blood and can be used if your heart is weak from a heart attack or cardiac surgery.
Indications
Heart assist devices are used in patients with severe heart failure, where the heart is unable to pump enough blood to meet the body's needs. They can be used as a temporary measure, for example during or after surgery, or as a long-term treatment for patients awaiting a heart transplant.
Risks and Complications
Like any medical procedure, the use of heart assist devices carries some risks. These can include infection, bleeding, blood clots, device malfunction, and psychological effects.
See Also
External links
- Medical encyclopedia article on Heart assist device
- Wikipedia's article - Heart assist device
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