Doctor insights on:
What Is The Percentage Of Cardiac Output Delivered To The Heart
What is the most effective test to determine the presence of old heart attack to any ventricle of the heart?
Old heart attack: You should see a cardiologist. One thing they might do is an echo car diorama where they have a, look at the actual motion of the heart muscle and the flow of the blood through the heart. That should show if any part of the heart is not working right, like for instance from damage due to a heart attack. ...Read more
CO and BP: Read this: http://www.Ptdirect.Com/training-design/anatomy-and-physiology/cardiovascular-system/cardiac-output-and-blood-pressure.Get a more detailed answer ›
The sinus node: The sinus node is a group of specialized pacemaker cells that is located in the upper right atrium. These cells react to circulating chemicals, such as adrenaline, and there are nerve connections from the brain that modify the heart rate in response to the body's needs. ...Read moreSee 1 more doctor answer
What is the physiology that explains how a high heart rate influences coronary artery perfusion and myocardial oxygen delivery?
Telemetry: For inpatient ambulatory patients, electrodes are taped to the chest and a transmitter box is attached to the trunk area. The heart rhythm recording is then transmitted wirelessly to a monitor at the nurses station. Bedside monitors don't allow the patient to walk about the ward freely. Other set ups allow the patient's heart rhythm to be recorded in a gadget strapped to the body. Finger styles. ...Read more
Is cardiomegaly the enlargement of the cardiac tissue or the dilation of the heart (increase in the volume/space)? confused
What is the name of an electrical shock delivered to the heart to correct certain abnormal heart rhythms called?
To direct flow: A heart valve functions to allow unidirectional blood flow. When chambers of the heart contract, one heart valve will open and one will close; this effectively allows only one low resistance pathway for the blood to follow. If there were no valves, blood would flow backwards from where it just came as well as forwards. This would significantly decrease the effectiveness of the heart as a pump. ...Read moreSee 1 more doctor answer
4 to 5 liters/min: Approximately 4-5 l per minute. The cardiac output is proportional to the size of the patient. You can "normalize" the cardiac output by dividing the cardiac output by the body surface area resulting in a "cardiac index". The cardiac index is typically 2-3 l per minute per meter squared. ...Read moreSee 1 more doctor answer
Depends: Palpitations are an awareness of the beating of the heart. In some patients, there is no abnormality at all. In others benign premature contractions are found which are also benign. In some, supra ventricular arrhythmias are found which are benign and manageable. However, in some patients more worriesome rhythms are found and require additional work up. Please, see your physician. ...Read moreSee 1 more doctor answer
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