Causes of increased respiratory rate

• Normal Respiratory Rates in Adults and Children

  The principal biochemical effect is a lowering of blood CO2 (hypocapnia) and an increased blood pH (respiratory alkalosis). Hyperventilation affects the CVS and CNS causing tachycardia, reduced blood pressure, decreased blood flow to the brain due to vasoconstriction, muscle spasms, and in extreme cases,tetany, if the PaCO2 falls too low.

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• [DOC File]Answers to Respiratory System Clinical Case Study

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  Increases respiratory rate. By shortening expiration, and the whole respiratory cycle. Strong signal can increase the rate 30 – 60 breaths per minute. Ventral respiratory group “overdrive” Functions in both inspiration and expiration. Inactive during normal breathing. Need increased ventilation

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• [DOC File]Control of Respiration - Interactive Physiology

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  Lung cancer causes 30% of all cancer deaths in the USA and is the leading cause of cancer deaths in this country.. Cigarette smoking causes 85% of lung cancers. The average risk of developing lung cancer is increased 13-fold by active cigarette smoking. However, an exact figure is impossible to quote because the risk. depends on the amount smoked.

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• [DOC File]HYPERVENTILATION

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  • The decreased pH stimulates the peripheral chemoreceptors to send more nerve impulses to the respiratory centers, which stimulate the respiratory muscles to increase the breathing rate and depth. • More carbon dioxide is exhaled, lowering the PCO2 in blood, driving the chemical reaction to the left, and lowering hydrogen ion levels.

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• [DOC File]Regulation of Respiration

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  Increased respiratory rate: Pneumonia prevents oxygen from reaching the bloodstream, so someone who has pneumonia will breathe faster and deeper. Muscle pain. Nausea. Tachycardia: The body needs oxygen so the heart beats faster and pumps more blood. Sweating . Vomiting. Weakness

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• [DOC File]PNEUMONIA

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  The pulse rate is less than 100 and the respiratory rate is increased. The patient can speak in complete sentences and can tolerate lying flat. The oxygen saturation is usually normal. In a moderate asthmatic episode the heart rate is typically greater than 100 and the respiratory rate is increased.

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