Energy is an invisible force. The aggregate of energy in any physical system is a constant quantity, transformable in countless ways but never increased or diminished. In the human body, chemical energy is produced by the combination of oxygen with glucose. This reaction is known as oxidation. ...
The progression of atrial fibrillation Atrial fibrillation is a progressive disease, meaning that the symptoms and the severity of the… What is Postural Orthostatic Tachycardia Syndrome (PoTS)? Postural Orthostatic Tachycardia Syndrome, also known as PoTS, is a condition in which the heart…FibriC...
What are some of the possible causes (etiology) of atrial fibrillation? What is atrial fibrillation? What are its causes and how dangerous is it? What is atrial systole, and what is ventricular systole? Which is stronger? Describe atrial fibrillation, ventricular tachycardia, ventricular fibrillation...
Blood pumped out of ventricles is called ___. Which of the following terms refers to an abnormally elevated heart rate? a) Tachycardia. b) Murmur. c) Dysrhythmia. d) Bradycardia. During which stage of the cardiac cycle is the blood pressure in the aorta the highest? a) Atrial contraction...
Proarrhythmia is a condition in which a person experiences an irregular heart beat that is caused by or aggravated by drugs...
Tachycardia or fast heart rate occurs when your resting heart rate is faster than normal, which is about 60-100 beats per minute. If your heart rate is consistently above 100 beats per minute and you experience the following symptoms, you should go to the emergency room:...
What is atrial fibrillation (A-fib)?A-fib is an irregular heartbeat that reduces your heart's ability to pump blood through your body. A-fib may come and go, or it may be a long-term condition. A-fib can cause life-threatening blood clots, stroke, or heart failure. It is important...
What is a Dangerous Heart Rate? There are two types of dangerous heart rates: Too high – Called tachycardia, it’s a heart rate consistently above 100 beats per minute. Too low – Called bradycardia, it’s a heart rate below 60 beats per minute (when you’re not an athlete). If you...
鈶礣he type of recurrent ATa after CPVA is associated with the number of PV gaps.LIU Xing-peng;LONG De-yong;DONG Jian-zeng;et al中华医学杂志(英文版)Recurrent atrial tachycardia and atrial fribrillation after circumferential pulmonary vein ablation:What’s the difference?[J]. LIU Xing-peng,...
Tachycardia can be caused, for example, by stress, anxiety, caffeine or various diseases (including thyroid disease or fever). However, a heart rhythm disorder can also be behind an excessively high pulse. In order to determine whether an elevated pulse is dangerous, it is important to clarify...