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This article is about: Ventricular fibrillation, Systole and Diastole, The Vena Cava, Vital Signs, Pulse Oximetry, and Anemia.
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Ventricular fibrillation is when the heart is quivering and the person is legally dead. Atrial fibrillation the AV node protects the heart from responding to those impulses. The atria can defibrillate. This is important for the test: which fibrillation is when the patient is legally dead? Ventricular fibrillation. |
Anaphylactic shock is an allergic reaction. Brachial is resembling the arm. Apical is the fifth intercostal space where the heart sits. What is the name of the right atrial ventricular valve? The tricuspid valve?
What is the name of the left atrial ventricular valve? The mitral or bicuspid valve.
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Systole or the QRS wave on an EKG is when the impulse is highest when listening on the brachial artery on the arm and you should hear lub dub. Diastole is the relaxation phase. Isoelectric line is the line the EKG is printed off on.
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Atrial depolarization is when the atria dump into the ventricles. Think of depolarization like a discharge. Between the t wave which holds the impulse and the next p wave is called diastole. Diastole is where the atrial is relaxing. At the R that is where the atrial depolarization discharges. |
The right atrioventricular valve is the tricuspid valve. The left atrioventricular valve is the mitral valve or bicuspid valve. For an atrioventricular valve ask if it is the right or the left.
The vena cava is the largest vein in the body. The vena cava brings deoxygenated blood back to the heart by way of the vena cava namely the superior and inferior vena cava. Then the blood goes to the right atrium and through the tricuspid valve which is in the right atrium and then it goes into the right ventricle onward to the pulmonary valve which is the pulmonary semi lunar valve and then to the lungs. Once the blood is in the lungs it comes back through the left pulmonary veins and into the right atrium and goes past the mitral bicuspid valve and into the left ventricle and into the aortic valve and into the aorta on on to the rest of the body.
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In real life the ventricles constrict at the same time so blood is going through the pulmonary artery and the aorta at the same time. The heart does not go below the fifth intercostal space and to measure this you would start at the clavicle and then go five spaces down. Stenosis means narrowing. A heart murmur is when the valves don’t close properly. A murmur can also be a hole in the septum of the heart. |
The cusp of the right AV tricuspid valve the cusps on the valves are going down to the bottom of the heart. The three cusps on the tricuspid valve go down to the bottom and on the left side the two cusps the mitral or bicuspid valve goes down to the bottom section of the heart. The septum is a separation between the left side and the right side of the heart.
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Myocardium is the muscle of the heart. Necrosis is the death of tissue. For anyone that has had a heart attack the t wave would always be inverted BUT for someone who just had an MI (myocardial infarction or heart attack) that person has an ST wave elevation. That is how you know if a person had a fresh MI or not. |
When you have an MI kinase goes up. Aneurysm is a ballooned out weakness of a wall in an artery.
Myocarditis is “Inflammation of the myocardium, the heart muscle.” From http://www.medterms.com/script/main/art.asp?articlekey=4486. Endocarditis is “a serious infection of one of the four heart valves.” http://www.medicinenet.com/endocarditis/article.htm. Pericarditis is “infammation of the pericardium or the sac surrounding the heart” From http://www.medicinenet.com/pericarditis/article.htm.
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