What is the pacemaker of the heart? What happens to the blood when the heart contracts and relaxes? Explain the condition of heart arrhythmia. What is meant by the following terms: A. mitral valve prolapse B. calcific aortic stenosis C. ventricular fibrillation ...
The apex of the heart is lowest tip of the organ that points downward at the base, forming what almost looks like a rounded point. “Apex” is a Latin word meaning “summit” or “peak,” and this part of the heart can be thought of in those terms, too. It’s formed mostly by ...
What is the natural pacemaker of the heart called? During which stage of the cardiac cycle is the blood pressure in the aorta the highest? a) Atrial contraction and ventricular filling b) Isovolumetric contraction c) Ventricular ejection d) Isovolumetric relaxation...
An implantable pacemaker, also known as an artificial pacemaker, is an internal medical device that regulates the beating of the heart to a sufficient rate that meets the body's needs. This type of pacemaker is used in patients whose heart rate is too fast, a condition called tachycardia; wh...
Starting the heart One of the first sci-fi novels, Frankenstein by Mary Shelley has had a huge impact on science. Earl Bakken, the inventor of the pacemaker (起搏器), a device placed into the chest that helps the heart to pump blood using small electrical impulses, was inspired by the ...
The heart is the circulatory system's primary organ. It is responsible for driving blood throughout the body, thereby providing the body with essential components such as oxygen.Answer and Explanation: The heart is made of three primary layers. The innermost layer is the endocardium, which is ...
What is the purpose of heart valves?Heart:The heart is the main organ of the circulatory system or cardiovascular system. The heart is a muscular organ that is present in most animals, pumps blood through the circulatory system. In mammals and birds, the heart has 4 chambers: ...
"It's kind of like a pacemaker for the heart, but instead, we use it for the brain," says Dr. Richard Zimmerman, a Mayo Clinic neurosurgeon. Dr. Zimmerman is talking about a device called a responsive neurostimulator, or RNS therapy. It's implanted in a patient's skull with electrodes...
What is a Heart Attack? " Patrick a 70-year-old diabetic man with a 2-year history of stable chest pain" Are you a health practitioner that can treat conditions like the one explained here? Sign in to join the conversation as an expert....
reach out if you notice that you often have a fast heartbeat or a low pulse. Depending on what's going on with you, your doctor might change your medications, recommend a pacemaker to get your heart beating in the right rhythm, or suggest other things to prevent or manage your condition...