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What is the most prominent sign of coronary artery disease?
narrowing or blockage (stenosis) in the coronary arteries, with narrowing greater than 50% considered significant
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.
What is the use of a coronary stent?
To open an artery near the heart
What is tachycardia and cardiomegaly?
Cardiomegaly is the abnormal enlargement of the heart that is frequently associated with heart failure when the heart enlarges in an effort to compensate for the loss of its pumping ability (cardio means heart, and -mealy means abnormal enlargement). Tachycardia is an abnormally rapid resting heart rate (tachy- means rapid, card means heart, and -ia means abnormal condition). This term is usually applied to rates greater than 100 beats per minute. Tachycardia is the opposite of bradycardia. Paroxysmal atrial tachycardia, also known as PAT, is an episode that begins and ends abruptly during which there are very rapid and regular heartbeats that originate in the atrium. PAT is caused by an abnormality in the body's electrical system. Paroxysmal means pertaining to sudden occurrence. Ventricular tachycardia, also known as V tach, a very rapid heart beat that begins within the ventricles. This condition is potentially fatal because the heart is beating so rapidly that is is unable to adequately pump blood through the body. For some patients, this conditon can be controlled with an implantable cardioverter defibrillater.
What are the signs and symptoms of coronary artery disease?
The symptoms of coronary artery disease don't appear until the artery is 70 percent blocked. Moreover, women who suffer from a heart attack tend to experience different symptoms. While some of the common symptoms of coronary artery disease include fullness or pressure in the chest often extending to the arm, jaws, and neck area ; breathless; dizziness; and nausea, women reported suffering from abdominal and mid-back pain, indigestion, and extreme fatigue.
What is the most prominent sign of coronary artery disease?
narrowing or blockage (stenosis) in the coronary arteries, with narrowing greater than 50% considered significant
What is a fast heartbeat called?
A fast heartbeat is called tachycardia. It is typically defined as a heart rate greater than 100 beats per minute at rest. Tachycardia can be caused by various factors such as stress, excitement, or underlying medical conditions.
Is the value of a number less than 1 and greater 0 increased or decreased by raising it to any power and the value of a number greater than 1?
any no. between 0&1 when raised to some power will obviously decreased.
What is the inequality for 5 times a number decreased by 10 is greater than -5?
The inequality that fits this condition is that X is greater than 1.
Which is greater osteoclast activity when calcitonin is present?
Osteoclast activity is decreased when calcitonin is present. Calcitonin inhibits bone resorption by osteoclasts, leading to decreased breakdown of bone tissue.
What does a number decreased by 10 is greater than -5 mean?
15
How has the removal of wetlands impacted rivers and streams?
It has decreased the rate of absorption, causing greater incidents of flooding. The e2020 answer.
What is the difference between perfusion and flow?
Flow is the amount of blood flowing through an organ, tissue or vessel at a given time. Perfusion is the flow per given volume or mass of tissue. Thus a large organ could have greater flow but less perfusion then a small one such as an ovary because the ovary receives much more blood per gram of tissue.
Eighty-seven decreased by three times a number is greater than one hundred sixty-five?
x > -26
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.
Five decreased by eleven times a number is greater than 71 evaluate this problem situation for values of the number?
5-11x>71
When the radius is increased does the period of rotation increased or decreased?
When the radius is increased, the period of rotation will increase. This is because a larger radius means the object has to travel a greater distance in the same amount of time, leading to a longer period of rotation.
