(i.e., those with defined tissues and organs) aretriploblastic (i.e., their members have three layers of cells), with the third cellular layer, called themesoderm, developing between the endoderm and ectoderm. At its simplest, the mesoderm provides a network of packing cells around the ...
Like all organs, your heart is made of tissue that requires a supply of oxygen and nutrients. Although its chambers are full of blood, the heart receives no nourishment from this blood. The heart receives its own supply of blood from a network of arteries called the coronary arteries. Two ...
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Congenital heart diseases often involve maldevelopment of the evolutionarily recent right heart chamber. To gain insight into right heart structure and function, we fine-tuned deep learning models to recognize the right atrium, right ventricle and pulmonary artery, measuring right heart structures in 40...
and its rhythm might be thrown off. 心跳可能失去节奏 In the worst case scenario, a heart attack can cause sudden death. 最糟糕的情况是,心脏病发作可以导致猝死 And how do you know that someone is having a heart attack? 那么怎样才能知道一个人是否心脏病发作了 ...
11. In order to study the effects of meglumine cycli c adenylate on the systolic function of left ventricle and its mechanisms in patients with congestive heart failure, the left ventriicular systolic function w as mea ssured with echocardiography before and after treatment, effects on the concent...
the world. Its implementation marks the beginning of a new era in the treatment of heart failure in China. "Currently, there are four of China's self-developed artificial heart brands used in clinical practice, which have more advantages compared to foreign brands in terms of performance and ...
The Hanning window function is defined as W(t) (16) and is used to reduce spectral energy leakage. In this paper, the sequence is subjected to a Fourier transform at a frequency of 10 Hz with a uniformly distributed rate. The PSD is integrated into the very-low-frequency (VLF: 0 to ...
On the other end of the spectrum, a consistently high heart rate can put too much stress on the heart and other organs. If a person has a high heart rate at rest and is experiencing other symptoms, doctors may need to examine his or her heart function, Bauman said. ...
a sudden failure of the heart to function correctly, sometimes causing death.My father has had a slight heart attack.infarto de miocardio,ataque al corazón ˈheartbeatnoun (the sound of) the regular movement of the heart.latido del corazón ...