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Please answer fast
explain the mechanism of action of the contractile cells of the heart (99% of the cells)
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Solved in 2 steps
- Please answer multiple choicess Compare the cardiac action potential in ventricular cardiac myocytes and the electrocardiogram. Which parts are most synchronous Combination of the cardiac action potentials and the T waves Combination of the cardiac action potential and the QRS complex 2. While taking blood pressure using a blood pressure cuff and stethoscope. you take the systolic reading. What is happening and what does it represent in terms of blood flow ? The last korotkoff sound which is laminar flow The appearance of the first korotkoff sound which is turbulent flow An increase in sound intensity which is laminar flow 3.Dr. Wu is demonstrating th ecardiac dance. As he gets up too quickly, he experiences sudden dizziness and passes out. What could be the reason he has passed out? Because his baroreceptors failed to respond quickly enough to the sudden drop in blood pressure? There was an immediate increase in the firing of action potentials to the cardiovascular…Write a short note about Angiogram and Angioplasty? Please explain at your own words .Answer using the ecg graph
- All the positive charges are inside the myocardial cell fiber and all the negative charges are on the outside of the cell fiber. Shows _________ wave completed. Question 10 options: Depolarization RepolarizationQUESTION: 4. Discuss major causes of heart valvular defectsPlease help in answering this question - more than one answer may be correct: The pulsatile flow created by the heart is converted to continuous flow by A) magic B) closing of the mitral valve C) resistance of the arteries D) resistance of the arterioles E) elasticity of arteries
- Look at the answer and give the reason for answer. Write why the answer is the answer. Q 6 - What are the implications for ventricular filling? Answer: The ventricles will fill with less blood. Q 7 - In a healthy heart, which of the following serves as pacemaker for the conduction system? Answer: SA node Q 8 - Based on information provided in this chapter, what happens to the cardiac output of a patient following an MI? Answer: The cardiac output is decreased. Q 9 - Based on information provided in this chapter, what are the main goals of drug therapy in patients following MI? Answer: decreasing the afterload and decreasing the end systolic ventricular volumeThe four-chambered heart is a single organ but is sometimes described as a “double pump” because it functions more like two pumps than one. Explain why this is so, including the names of the heart structures involved. please helpWhich of the following best describes Acute Coronary Syndrome? Question 8 options: Symptoms of acute myocardial ischemia Vasovagal response Blood pressure reading > 180/120 Platelet degradation
- Why is nitroglycerin given as a treatment for myocardial infarction? What does it do? Nitroglycerin is used as a treatment to improve blood flow and dilates and relaxes blood vessels and dilates them. asap typed onlyAnother patient had an abnormal heart sound that indicated a stenotic valve. Define this condition, and contrast it with an incompetent heart valve.What is the correct cardiac rhythm strip answer?
