Answer: Cardiac-arrest is when the heart stops beating and can be fatal. - 308 Question: What is a heart, and what is it purpose? Answer: A heart is a hollow muscular organ that pumps blood from the veins to the lungs and into the arteries. Note: Some believe that the heart is...
Investigate:Howdoesexerciseeffectourheartrate?Ourheartrateisthenumberoftimesourheartbeatsperminute.Weneed todiscoverwhathappenstoourheartswhenweexercise.Howcanwedothis?We’llneedtorecordourheartbeats.Howcanwedothis?•Listentoourheartbeatinginourchest•Listentoourpulseinourwrist•Listentoourpulseinourneck How...
increasing the risk of abnormal electrical activity like ventricularfibrillation(VFib). VFib is the cause of sudden cardiac death. Normally, the heart beats rhythmically, but in VFib, every cell of the ventricle generates its own electrical signal, not allowing a unified beating of the heart...
Patrick is a 70-year-old diabetic man with a 2-year history of stable chest pain when he exerts himself. He is awoken from sleep with the acute onset of crushing central chest pain which radiates to his neck and left arm. His normal medications include normally aspirin, a diuretic, a ch...
can occur when the electrical activity that regulates your heartbeat is disrupted, ranging from conditions such as an electrolyte imbalance to a previous heart attack. An arrhythmia can be regularly occurring or sporadic. Arrhythmias can also mean the heart is beating too fast or beating too slow...
Palpitations make you feel like your heart is beating too hard or too fast, skipping a beat, or fluttering. You may notice heart palpitations in your chest, throat, or neck. They can be bothersome or frightening, but heart palpitations usually aren't serious or harmful, though, and often ...
and the healing process after heart surgery. There are several types of arrhythmias, depending on where they start in your heart. Some types of arrhythmia are harmless, but others put you at risk of cardiac arrest, which is when your heart stops beating or beats too fast to move your blood...
the top chambers of the heart stop beating. and that's that irregular waveform that you pick up on the ekg. the problem with that is that the blood can pool in parts of the heart. and if it forms a blood clot, no matter how tiny it might be inside the heart, and that blood clot...
Research shows that heart attacks are becoming more prevalent among adults younger than 50—and the outcomes are worse for women. The good news is we know how to prevent them.
Your heart rate, also called your pulse, is the measurement of how fast your heart is beating. Measuring your heart rate, or heartbeat, gives a glimpse of your overall health and could help you spot some potential health problems. Your heart rate changes throughout the day though. It goes...