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Minute ventilation (or respiratory minute volume or minute volume) is the volume of gas inhaled (inhaled minute volume) or exhaled (exhaled minute volume) from a person's lungs per minute. It is an important parameter in respiratory medicine due to its relationship with blood carbon dioxide levels .
The hypoxia leads to an increase in minute ventilation (hence both low CO 2, and subsequently bicarbonate), Hb increases through haemoconcentration and erythrogenesis. Alkalosis shifts the haemoglobin dissociation constant to the left, 2,3-BPG increases to counter this. Cardiac output increases through an increase in heart rate. [15]
STP is the increase in ventilation after the acute hypoxic response and the eventual return of ventilation to its equilibrium after carotid sinus nerve stimulation, which causes a slowing in heart rate. This mechanism usually lasts between one and two minutes. [13]
What’s a normal heart rate? A “normal heart rate” for adults ranges from 60-100 ... Children generally have higher heart rates—newborns can range from 70-190 bpm and these averages ...
Drug reaction (vomiting may occur as an acute somatic response to): [citation needed] Alcohol, which can be partially oxidized into acetaldehyde that causes the symptoms of hangover, including nausea, vomiting, shortness of breath, and fast heart rate. [22] Opioids; Selective serotonin reuptake inhibitors; Many chemotherapy drugs
Aerophagia (or aerophagy) is a condition of excessive air swallowing, which goes to the stomach instead of the lungs.Aerophagia may also refer to an unusual condition where the primary symptom is excessive flatus (farting), belching (burping) is not present, and the actual mechanism by which air enters the gut is obscure or unknown. [1]
Airsickness is a specific form of motion sickness which is induced by air travel [1] and is considered a normal response in healthy individuals. Airsickness occurs when the central nervous system receives conflicting messages from the body (including the inner ear, eyes and muscles) affecting balance and equilibrium.
Episodes of vasovagal syncope are typically recurrent and usually occur when the predisposed person is exposed to a specific trigger. Before losing consciousness, the individual frequently experiences early signs or symptoms such as lightheadedness, nausea, the feeling of being extremely hot or cold (accompanied by sweating), ringing in the ears, an uncomfortable feeling in the heart, fuzzy ...