Heart rhythm:It is the electrical conductivity of the heart. The heart rhythm is regulated by the contracting heart muscles. The normal heart beats 60-100 times per minute. Abnormal heart rhythm can be indicative of cardiac disease.Answer and Explanation: ...
Developing areas in myocardial preservation include metabolic supplementation of the myocardium, the use of free radical scavengers, the prevention of atrial arrythmias and the use of coronary sinus cardioplegic. The increasing numbers of high risk patients presenting for surgery should stimulate the ...
The heart has two sides: the left side and the right side. Each side of the heart is divided into two parts producing 4 chambers. The upper chambers are called the atriums and the lower chambers are the ventricle. The heart not only has four chambers but also has four valves. The atri...
What is the Conduction System of the heart?The HeartThe heart is a muscle present in animals that is responsible for the pumping of blood throughout the body. This blood that is pumped through the heart enters unoxygenated before being pumped through the lungs and returning to the heart so ...
(heart rate slows down) when you exhale and shorter (heart rate increases) when you inhale, a phenomenon called respiratory sinus arrhythmia. In addition to respiration, HRV is influenced acutely for example by exercise, hormonal reactions, metabolic processes, cognitive processes, stress and ...
Children’s Hospital. The laboratory used a3D printed model from CT scansof a teenage patient with an anomalous origin of the left coronary artery from the right sinus of Valsalva with the intramural, intraarterial course. Simpleware software and a Stratasys printer were used to prepare the model...
The right atrium also receives blood from the walls of the heart through the coronary sinus, whose opening of the post caval vein is guarded by the value of inferior vena cavae or Eustachian valve. It directs the blood to the left atrium through the foramen ovale, in the fetal stage, ...
From dehydration and muscle soreness to nausea and indigestion, the typical discomfort and pain can all be explained by unnatural conditions on long flights.
The Heart:The heart is a muscular organ located on the left side of the human chest. It is comprised of four chambers which are separated from each other by valves.Answer and Explanation: The heart pumps blood throughout the body. The muscles of the heart contract rhythmically and these ...
The independent origin and evolution of leaves as small, simple microphylls or larger, more complex megaphylls in plants has shaped and influenced the natural composition of the environment. Significant contributions have come from megaphyllous leaves, c