Rhythmic abnormal respiration refers to the disruption of the normal respiratory rate, depth, and rhythm due to a number of diseases. Normal adults generally breathe between 12-20 times per minute, and the volume of air produced is usually around 500ml, which is a 4 to 1 ratio with the heart beat. Common types of respiratory abnormalities are as follows: 1. Increased respiration, due to infectious diseases, bronchial asthma, etc., resulting in a respiratory rate of more than 20 breaths per minute or more. 2. Slowed respiration, often due to brain diseases, sleeping pill poisoning, etc., making the respiratory rate less than 10 breaths per minute. 3. Tidal respiration, which mainly refers to the patient’s respiratory rate changing from slow to fast and from shallow to deep, as a cycle, mainly Due to severe heart disease, hypoxia and other diseases. 4, deep breathing, mainly patients breathing depth is deeper and slower breathing, common in diabetic ketoacidosis patients, etc. 5, intermittent respiration, breathing a few times after the patient suddenly stop breathing, mainly due to central system damage. 6, dyspnea, mainly patients breathing effort, often first out of the mouth to breathe, lips purple, common in the bronchial first transmission, severe cardiac disease and other diseases. Bronchial first transmission, severe heart failure and other diseases.