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2. Cardiac arrest - Wikipedia

   en.wikipedia.org/wiki/Cardiac_arrest

   In 2021, the American Heart Association clarified that "heart attack" is often mistakenly used to describe cardiac arrest. While a heart attack refers to death of heart muscle tissue as a result of blood supply loss, cardiac arrest is caused when the heart's electrical system malfunctions. Furthermore, the American Heart Association explains ...

3. Clinical death - Wikipedia

   en.wikipedia.org/wiki/Clinical_death

   Blood circulation can be stopped in the entire body below the heart for at least 30 minutes, with injury to the spinal cord being a limiting factor. [4] Detached limbs may be successfully reattached after 6 hours of no blood circulation at warm temperatures. Bone, tendon, and skin can survive as long as 8 to 12 hours. [5]

4. Cold shock response - Wikipedia

   en.wikipedia.org/wiki/Cold_shock_response

   The degree of bradycardia can vary among individuals, but it is a common and well-documented response. Peripheral Vasoconstriction: Blood vessels in the extremities constrict, reducing blood flow to the limbs. This shunting of blood helps to redirect it to essential organs, such as the heart and brain, preserving oxygen for vital functions.

5. Coronary ischemia - Wikipedia

   en.wikipedia.org/wiki/Coronary_ischemia

   Coronary arteries deliver oxygen-rich blood to the heart muscle. [5] Reduced blood flow to the heart associated with coronary ischemia can result in inadequate oxygen supply to the heart muscle. [6] When oxygen supply to the heart is unable to keep up with oxygen demand from the muscle, the result is the characteristic symptoms of coronary ...

6. Wikipedia : Osmosis/Myocardial infarctions

   en.wikipedia.org/wiki/Wikipedia:Osmosis/...

   Heart attacks happen when these small arteries become blocked and stop supplying blood to the heart tissue, and if this happens for long enough, heart tissue dies. Almost all heart attacks are ultimately a result of endothelial cell dysfunction, which relates to anything that irritates or inflames the slippery inner lining of the artery—the ...

7. Emery–Dreifuss muscular dystrophy - Wikipedia

   en.wikipedia.org/wiki/Emery–Dreifuss_muscular...

   [citation needed] Weakness of the peroneal muscles can result in toe walking, which can present in the first decade of life. [1] Facial, hand, and thigh muscles can be affected, although less often. [1] Calf hypertrophy can occur. [1] Involvement of the heart occurs in almost all cases, presenting as syncope in the second or third decades, or ...

8. Your Body Never Forgets Muscle. So Here's How Long It ... - AOL

   www.aol.com/body-never-forgets-muscle-heres...

   Learn how muscle memory works, how long it takes to develop, and why it’s crucial for fitness. Plus, tips to train smarter and build strength and muscle faster.

9. Takotsubo cardiomyopathy - Wikipedia

   en.wikipedia.org/wiki/Takotsubo_cardiomyopathy

   In short, the main criteria for the diagnosis of takotsubo cardiomyopathy are: the patient must have experienced a stressor before the symptoms began to arise; the patient's ECG reading must show abnormalities from a normal heart; the patient must not show signs of coronary blockage or other common causes of heart troubles; the levels of ...