In prehistoric times, the physical changes in response to stress were an essential adaptation for meeting natural threats. Even in the modern world, the stress response can be an asset for raising levels of performance during critical events, such as a sports activity, an important meeting, or in situations where there is actual danger or a crisis.
If stress becomes persistent and low-level, however, all parts of the body's stress apparatus (the brain, heart, lungs, blood vessels,...
Read moreMy doctor will not put me on a treadmill, etc. He prefers nuclear testing! Am I getting short changed? This one I have to leave to the... Read more »
Last month we talked about how your heart works in partnership with your lungs. Today we’re going to talk about common cardiac (heart)... Read more »
Few stressors are as powerful as the loss of a cherished family member or relative. Every doctor has several stories to tell about the... Read more »
Following is a slightly longer version of the slideshow, Five Rules for Bipolar Relationships ... Valentine’s Day falls in February.... Read more »
Several years ago I recall someone claiming that the use of a treadmill for stress testing was outdated and inaccurate. Nothing could be... Read more »
Source: HealthCentral Encyclopedia
This is a scintillation scan (gamma camera or photoscan) involving the use of thallium-201, a radioisotope.The radioisotope is administered... Read more »
Source: ADAM Encyclopedia
Cardiac blood pooling imaging; Heart scan - nuclear; Radionuclide ventriculography (RNV); Multiple gate acquisition scan (MUGA); Nuclear... Read more »
Source: ADAM Encyclopedia
Exercise ECG; ECG - exercise treadmill; EKG - exercise treadmill; Stress ECG; Exercise electrocardiography; Stress test - exercise treadmillNormal... Read more »
A stress test is an objective way of determining your exertional capacity. It can be used for many reasons. By far the most common use is to assess... Read more »
Source: ADAM Encyclopedia
Doctors can often make a preliminary diagnosis of heart failure by medical history and careful physical examination.A thorough medical history may... Read more »