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The response to stimulation of chemoreceptors on the heart rate is complicated. Chemoreceptors in the heart or nearby large arteries, as well as chemoreceptors in the lungs, can affect heart rate. Activation of these peripheral chemoreceptors from sensing decreased O 2 , increased CO 2 and a decreased pH is relayed to cardiac centers by the ...
For example, a fall in arterial pO2 or an increase in arterial pCO2 (hypercapnia) leads to an increase in the rate and depth of respiration through activation of the chemoreceptor reflex. Chemoreceptor activity, however, also affects cardiovascular function either directly (by interacting with medullary vasomotor centers ) or indirectly (via ...
Chemotherapy may be given with a curative intent (which almost always involves combinations of drugs), or it may aim only to prolong life or to reduce symptoms (palliative chemotherapy). Chemotherapy is one of the major categories of the medical discipline specifically devoted to pharmacotherapy for cancer, which is called medical oncology. [1] [2]
Your muscles contract to increase your body’s heat production and raise your temperature. ... and chemotherapy medications are more likely to cause chills. ... Rapid heart rate. Change in urine ...
An increase in sympathetic stimulation to the heart increases contractility and heart rate. An increase in contractility tends to increase stroke volume and thus a secondary increase in preload. An increase in preload results in an increased force of contraction by Starling's law of the heart; this does not require a change in contractility.
Several studies point to increased circulation of catecholamine or potassium during exercise as a potential effector on peripheral chemoreceptors; however, the specifics of this effect are not yet understood. All suggestions of peripheral chemoreceptor involvement conclude that they are not solely accountable for this response, emphasizing that ...
“Many things can increase the risk ... and chips, have been linked to an increased risk of diabetes, heart ... particularly when dealing with some of the adverse effects of chemotherapy (e.g ...
The Bainbridge reflex (or Bainbridge effect or atrial reflex) is a cardiovascular reflex causing an increase in heart rate in response to increased stretching of the wall of the right atrium and/or the inferior vena cava as a result of increased venous filling (i.e., increased preload).