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How does sphygmonamometer work?
A sphygmomanometer is a device which measures blood pressure. It works by reading both the systolic, which is the peak pressure as the heart contracts, and diastolic, which is the lowest pressure as the heart relaxes.
What is the term for your blood pressure and your heart at work?
When you are getting the doctor to take your blood pressure the readings are called: dystolic/systolic 120/80
What is measured when taking a persons blood pressure?
blood pressure is a measure of how hard your heart has to work to pump blood through your body. there is a systolic and a diastolic measure.... basically if your heart is having to work really hard to get blood to your whole body, there is a problem with your arteries (or your heart)
What part of the heart fails to work during cardiac shock?
Cardiac muscle or heart muscle is the part of the heart that fails to work during cardiac shock.
What is systole and diastole?
Systole and diastole describe the phase/state the heart is in during a heartbeat. Systole refers to the heart when contracted, and blood is pumped into the arteries. Diastole refers to the heart when it is relaxed and blood enters the upper chambers.
Why does upper body anaerobic exercise cause and increase in both systolic and diaastolic blood pressure and lowerbody aerobic exercise does not?
The heart has to work harder to pump against gravity to get blood into the upper limbs.
What happens to your heart rate when you excercise?
Depending on how light or heavy exercise is will depend on the change that occurs. Typically during exercise heart rate will increase. This is in order to increase blood flow to the working muscles to allow for increased respiration - in order for the muscles to work efficiently. Therefore the more strenuous the exercise, the more your heart rate will increase. Blood pressure will also increase during exercise and again depends on intensity levels. During exercise such as running/cycling/swimming systolic pressure will increase progressively whereas diastolic pressure will increase only slightly. During weight lifting exercises, both systolic and diastolic pressures will rise. Obviously these effects will vary from person to person, depending on age, gender, exercise level, exercise intensity etc. etc.
Why MVO2 and heart rate are inversely related?
MVO2 represents the volume of oxygen consumed by the heart and therefore is not inversely proportional to heart rate but directly proportional. The greater the heart rate the greater work (stress) put on the heart and thus an increase in myocardial oxygen demand. An approximated equation for MVO2 is: MVO2~HR*Systolic blood pressure. Coronary artery flow on the the other hand is inversely related to HR because coronary flow takes place during diastole and because an increase in heart rate decrease diastolic time coronary flow is reduced.
Is 160 blood pressure reading dangerous?
It depends on the person's baseline reading. Though I don't think people stroke out really until their systolic is about 200. Over time, however, a high blood pressure will cause the heart to have to work really hard to push blood out and will dilate the heart causing cardiomyopathy.
What does a perfusionist do?
A perfusionist operates a heart-lung machine in the healthcare industry. They work in the surgical theater during heart procedures.
What doctors are directly working on coronary heart disease?
Cardiologists work most directly with heart disease.
Which part of the heart does the most volume of work?
That would be the right ventricle.
