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One advantage of the Doppler fetal monitor over a (purely acoustic) fetal stethoscope is the electronic audio output, which allows people other than the user to hear the heartbeat. One disadvantage is the greater complexity and cost and the lower reliability of an electronic device. [citation needed]
The heartbeat is initiated in the pacemaker regions and spreads to the rest of the heart through a conduction pathway. Pacemaker cells develop in the primitive atrium and the sinus venosus to form the sinoatrial node and the atrioventricular node respectively. Conductive cells develop the bundle of His and carry the depolarization into the ...
I’d lie in bed, restless and wide awake because the muscles in my arms and legs would twitch and spasm whenever I was resting. My mind raced in a way I had never experienced before. The whole ...
The most obvious benefit of going to bed early is that you likely will get more sleep. When you have an early work day, getting to bed by 9 or 10 p.m. can ensure you reach the ideal eight hours of ...
Lullabies are usually in triple meter or 6/8 time, giving them a "characteristic swinging or rocking motion." [15] This mimics the movement a baby experiences in the womb as a mother moves. In addition, infants' preference for rhythm shares a strong connection with what they hear when they are bounced, and even their own body movements. [16]
A fetal heartbeat bill (SB 1274) was signed into law by then-Oklahoma governor Mary Fallin in April 2012 that requires an abortion provider to offer a woman the opportunity to hear the conceptus's heartbeat before ending the pregnancy, and applies when the conceptus is at least eight weeks old. The bill took effect in November 2012.
The section shows: 1) the opened ventricles contracting once per heartbeat—that is, once per each cardiac cycle; 2) the (partly obscured) mitral valve of the left heart; 3) the tricuspid and pulmonary valves of the right heart—note these paired valves open and close oppositely. + (The aortic valve of the left heart is located below the ...
If you have an irregular heartbeat, hearing loss, vision loss, an allergic reaction, Peyronie’s disease, or sickle cell anemia, or are being treated for leukemia or other medical conditions ...