Sust. FEM. Increase the frequency and breathing depth. It is a combination of tachypnea ( breathing rapid and shallow, exceeding 20 cycles per minute ) and batipnea ( deep breathing: during each ventilation is exchanged a volume greater than 500 ml 41 air;. The panting is tachypnea. Breathing under effort is polipnea. An extreme case of this is "Kussmaul breathing", which occurs in patients in coma cetoacídico.In the following reference values the sequence of figures refers to respiratory rate, expressed in vents per minute ( ) and volume of Exchange, denoting milliliters of circulating air per kilogram of body mass ( (b) ): 1 ) children under five years old: ) 25-60; (b) ) 6 to 8; 2 ) children aged between five and 14: ) 20 to 30; (b) ) 6 to 8; 3 ) over 14 years of age: ) 14-20 ( more or less an every four beats ) (b) ) approximately 500 ( information taken from the 41 Wikipedia;. Etymology: and the adjective - adverb-quantitative indefinite «polý»: long, very, and the noun "pnoia ( pronounced pnea )": breathing. Antonym: apnea.