Life ends when the heart beat stops

Feb 2019
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here and there
So if a medical doctor determines that life has ended once they assess the absence of a heart beat, why then does life not begin when a heart beat starts?

I do realize that some patient's are brain dead as the plug is "pulled', so to speak. However, who would pull the plug knowing that their brain function would resume?
 
Dec 2018
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So if a medical doctor determines that life has ended once they assess the absence of a heart beat, why then does life not begin when a heart beat starts?

I do realize that some patient's are brain dead as the plug is "pulled', so to speak. However, who would pull the plug knowing that their brain function would resume?
Not really, no. If that were true CPR would never revive someone whose heart as stopped beating, yet it happens every day. Brainwave activity is, I think, a better measure (something that also kicks in before week 12, BTW).
 
Sep 2015
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yeah someone here is clearly shooting off their mouth about things that they are soooooooooo far from understanding lol

heart beat

omfg
 
May 2013
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arkansas
You may want to read up on when the heart beat begins.

I'll give you a hint, it is not the third trimester.

The heart starts beating about the 3rd week after fertilization.

3 to 4 Weeks | Prenatal Overview
Not quite.


Primitvie Heart Tube

When the heart first develops, it’s nothing more than a tube formed from the fusion of two other tubes. By day 22 or 23 after conception, which is week five of pregnancy, the heart begins to beat and can be seen on vaginal ultrasound as a tiny flicker. The developing heart, nothing more than a tube, consists of three layers and three specific areas. The three areas, the cranial, caudal and bulbis cordis, develop into different parts of the aorta, the largest artery in the body, and the ventricles. The layers, the cardiac jelly and cardiac mantle layers, of which there are two, will differentiate into the myometrium and epicardium of the heart.

Two and Three Chambered Heart
As the heart rapidly expands within the next day, it assumes an S shape as it loops over on itself and bends to the right, known as d-looping, creating a primitive area where the ventricle will grow. In the two chambered stage, the cardiac jelly acts as a valve between the atria and ventricular areas, according to the Virtual Cath Lab. The atria divide first, creating a three chambered heart consisting of two atria, the top chambers, and one ventricle, the lower chamber.

Four Chambered Heart
By the end of week eight of embryonic development, or week ten of pregnancy, the heart has formed, with two atria and two ventricles and two great blood vessels to carry the blood from the heart, the aorta and pulmonary artery, John McNulty, PhD, of the Loyola University Medical Center explains.
 
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Sep 2015
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Not quite.


Primitvie Heart Tube

When the heart first develops, it’s nothing more than a tube formed from the fusion of two other tubes. By day 22 or 23 after conception, which is week five of pregnancy, the heart begins to beat and can be seen on vaginal ultrasound as a tiny flicker. The developing heart, nothing more than a tube, consists of three layers and three specific areas. The three areas, the cranial, caudal and bulbis cordis, develop into different parts of the aorta, the largest artery in the body, and the ventricles. The layers, the cardiac jelly and cardiac mantle layers, of which there are two, will differentiate into the myometrium and epicardium of the heart.

Two and Three Chambered Heart
As the heart rapidly expands within the next day, it assumes an S shape as it loops over on itself and bends to the right, known as d-looping, creating a primitive area where the ventricle will grow. In the two chambered stage, the cardiac jelly acts as a valve between the atria and ventricular areas, according to the Virtual Cath Lab. The atria divide first, creating a three chambered heart consisting of two atria, the top chambers, and one ventricle, the lower chamber.

Four Chambered Heart
By the end of week eight of embryonic development, or week ten of pregnancy, the heart has formed, with two atria and two ventricles and two great blood vessels to carry the blood from the heart, the aorta and pulmonary artery, John McNulty, PhD, of the Loyola University Medical Center explains.
too many scary science-y words in here Cat. you seriously need to dumb it down if you expect them to even be able to read it, let alone understand it :rolleyes::lol:
 
Feb 2019
1,897
487
here and there
Not quite.


Primitvie Heart Tube

When the heart first develops, it’s nothing more than a tube formed from the fusion of two other tubes. By day 22 or 23 after conception, which is week five of pregnancy, the heart begins to beat and can be seen on vaginal ultrasound as a tiny flicker. The developing heart, nothing more than a tube, consists of three layers and three specific areas. The three areas, the cranial, caudal and bulbis cordis, develop into different parts of the aorta, the largest artery in the body, and the ventricles. The layers, the cardiac jelly and cardiac mantle layers, of which there are two, will differentiate into the myometrium and epicardium of the heart.

Two and Three Chambered Heart
As the heart rapidly expands within the next day, it assumes an S shape as it loops over on itself and bends to the right, known as d-looping, creating a primitive area where the ventricle will grow. In the two chambered stage, the cardiac jelly acts as a valve between the atria and ventricular areas, according to the Virtual Cath Lab. The atria divide first, creating a three chambered heart consisting of two atria, the top chambers, and one ventricle, the lower chamber.

Four Chambered Heart
By the end of week eight of embryonic development, or week ten of pregnancy, the heart has formed, with two atria and two ventricles and two great blood vessels to carry the blood from the heart, the aorta and pulmonary artery, John McNulty, PhD, of the Loyola University Medical Center explains.
I see, so you will discriminate what a heart beat actually is based upon the development of that heart?

Ok, have at it, but I think age/development discrimination is wrong.

So what for you makes someone human? Is it only coming out of the birth canal?