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2. Cardiac cycle - Wikipedia

   en.wikipedia.org/wiki/Cardiac_cycle

   In a healthy heart all activities and rests during each individual cardiac cycle, or heartbeat, are initiated and orchestrated by signals of the heart's electrical conduction system, which is the "wiring" of the heart that carries electrical impulses throughout the body of cardiomyocytes, the specialized muscle cells of the heart.

3. Acute decompensated heart failure - Wikipedia

   en.wikipedia.org/wiki/Acute_decompensated_heart...

   Patients with heart pumping problems will use a different medication combination than those who are experiencing problems with the heart's ability to fill properly during diastole. Potentially dangerous drug interactions can occur when different drugs mix together and work against each other. [10]

4. Circulatory system - Wikipedia

   en.wikipedia.org/wiki/Circulatory_system

   The heart did not pump blood around, the heart's motion sucked blood in during diastole and the blood moved by the pulsation of the arteries themselves. Galen believed that the arterial blood was created by venous blood passing from the left ventricle to the right by passing through 'pores' in the interventricular septum, air passed from the ...

5. What to Know About Heart Failure When You Have Diabetes - AOL

   www.aol.com/know-heart-failure-diabetes...

   The term “heart failure” refers to problems with the heart muscle’s ability to pump blood. These problems can deprive other parts of the body of sufficient oxygen and blood.

6. Commotio cordis - Wikipedia

   en.wikipedia.org/wiki/Commotio_cordis

   Commotio cordis (Latin, "agitation / disruption of the heart") is a rare disruption of heart rhythm that occurs as a result of a blow to the area directly over the heart (the precordial region) at a critical instant during the cycle of a heartbeat. [1] The condition is 97% fatal if not treated within three minutes. [2]

7. Cardiac arrest - Wikipedia

   en.wikipedia.org/wiki/Cardiac_arrest

   Cardiac arrest (also known as sudden cardiac arrest [SCA] [11]) is when the heart suddenly and unexpectedly stops beating. [12] [1] When the heart stops beating, blood cannot properly circulate around the body and the blood flow to the brain and other organs is decreased.