The breeds used in developing a specific cur dog type were dependent on the needs of a farmer as well as the climate and terrain. Individual dogs were bred based on working and hunting performance regardless of their breed.
Non-Stress Test in Pregnancy A non-stress test (NST) checks the health of your baby by looking at your babyâs heartbeat and movement during pregnancy. The test may be used when: â¢ Your baby is not moving as much as usual. â¢ You are near the end of pregnancy or past your due date. â¢ Your pregnancy is high risk. About the Test NST is often given after 28 weeks of pregnancy when your baby is able to respond to the test. â¢ For a high risk pregnancy, the test may be given before 28 weeks. â¢ If admitted to the hospital during your pregnancy, the test may be given 1 to 2 times a day to check the health of your baby.
Normal sinus rhythm (NSR) is the characteristic rhythm of the healthy human heart. NSR is the rhythm that originates from the sinus node. The rate in NSR is generally regular but will vary depending on autonomic inputs into the sinus node. There can be an irregularity in the sinus rate and, when this occurs, it is termed sinus arrhythmia.