During a patient experiencing a myocardial infarction, the nurse administers morphine sulphate to relieve the aching, sharp pain. On the other hand, the attending nurse also carefully monitors the vital changes which include respiratory rate, blood pressure, ABG and oxygen saturation.
How is respiration controlled by the brain?
The pacemaker, or medullary respiratory control centre, gets three types of input.
- The control centre incorporates these impulses.
- The respiratory centre's output is then changed in timing or strength, resulting in alterations in rate and tidal volume.
- Chemical feedback, mechanical feedback, and information from higher cortical areas are the three types of feedback.
The average person can regulate Pao2, Paco2, and pH within limited ranges.
- The respiratory centre takes information from both peripheral and central chemoreceptors to achieve this degree of control.
- The primary peripheral receptors are situated in the carotid bodies found at each common carotid artery bifurcation.
- Similar structures exist in the aorta, although nothing is known about these aortic entities.
Learn more about respiratory rate here,
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