Teach me how to determine correctly the length of time between two consecutive R waves.

Q: A 12-lead calibration that is 2 vertical large boxes is referred to as?

A: Hi! As you have posted multiple questions, I will be answering the first question for you. If you…

Q: Jessica had an abnormal electrocardiogram (ECG) and mild hypokalemia.What is hypokalemia, and how…

A: Numerous body organs work in a coordinated manner. An abnormal condition that hinders optimum body…

Q: Based on your data, how was your heart rate different during the first and last 10 seconds…

A: Heart rate is the pounding of the heart in one minute. Normal heart rate is -60 to 100beats /…

Q: Which neurotransmitter/target receptor combinations would you expect to find in these areas of the…

A: Neurotransmitter and target receptor combinations in the areas of the heart are as follows: SA…

Q: Leaky Na+ channels in the cells of the SA Node do which of the following?   a-allow a slow…

A: d-allow a slow depolarization that eventually reaches the threshold for voltage-gated Ca2+ channels.

Q: a hypothetical disorder where a patient did not have an arterioventricular- bundle. As a result, the…

A: AV bundle also known as bundle of His. This is the only site where action potential can move from…

Q: When carotid and aortic baroreceptors reduce their output, _______. Select all that apply. Group…

A: Baroreceptors are mechanoreceptors that identifies the fluctuations in the blood pressure. They are…

Q: Explain two reasons why the heart is referred to as a double pump.

A: The circulatory system consists of the heart, the blood vessels and the blood. The heart is the…

Q: Give biological reason for the following: the wall of the ventricle is thicker than that of auricle.

A: Heart is the main organ of circulatory system of the body. It is made up of four chambers. Chambers…

Q: In the figure below on the left, label the P, QRS and T waves. Describe what is happening in the…

A: The electrical activities of heart are traced with the help of electrocardiogram. Under normal…

Q: Based on the results shown in Figure 3, was there a significant difference in mean change of heart…

A: Yes.Based on the the results shown on Figure 3,there is a significant difference in mean change of…

Q: Which of the following is most likely to be present on the resting EKG recording of a patient with…

A: AV node is among the initial areas where conduction abnormalities can be detected on an ECG. Blocks…

Q: Which condition would cause a diastolic murmur?   A regurgitation of blood through an incompetent…

A: Diastolic murmur refers to the sound that occurs for some period during diastole. The diastolic…

Q: At the time point indicated on the ECG ____.   A blood would be flowing from the ventricles into…

A: An electrocardiogram can be defined as the type of test in which the heart's electrical activity is…

Q: Which of the following occurs during diastole?   Question 25 options:   The semi-lunar valves are…

A: Heart consists of four chambers, two auricles and two ventricles. Blood is received by the auricles…

Q: You are taking care of a client with hypotension. The doctor ordered a drug that would increase…

A: Patient has hypotension .  To improve the blood pressure and treat the condition the nurse have to…

Q: What is the most accurate way to calculate resting heart rate?

A: The resting heart rate refers to the rate at which the heart is pumping the blood when the body is…

Q: We measured the stroke volume of the left ventricle. What was the average stroke volume of the rig|…

A: The term "cardiac output" (CO) is used to describe the amount of blood pumped up every minute by…

Q: A classmate who has been standing still for several hours working on a laboratory experiment…

A: Working on long laboratory experiments can result in fainting and this is very common.

Q: potential

A: Introduction:-The conductive cell's with in the heart established the heart rates and transmits it…

Q: With endurance athletes, an increased stroke volume at rest will occur because of   Select 3…

A: Stroke volume is defined as the amount of blood that can be pumped out by heart per beat.

Q: Why is your heart rate high after running a short distance, but not as elevated after running a much…

A: Introduction: To maintain blood circulation throughout the body, the heart beats nonstop. Its rate…

Q: Why is the Frank-Starling law of the heart important to the understanding of heart failure?

A: Frank starling law is a law that defines the relation between end diastolic volume and stroke…

Q: What is the cardiac output of a heart when the heartbeat rate is 60 beat.min-1, the diastolic…

A: Cardiac output: Amount of blood pumped by the heart per minute  Strove volume :  amount of blood…

Q: The movement of which two ions is responsible for maintaining the plateau phase of the action…

A:

Q: What is autorhythmicity? Describe how nodal cells function as autorhythmic cells to serve as the…

A: The cells associated with the function of creating the rhythmic impulses in order to set the pace…

Q: If the cardiac cycle is .86 sec what is the heart rate? Explanation

A: Cardiac cycle is the interval between  beginning of one heartbeat to that of the next. It consists…

Q: Name three mechanisms that can increase cardiacoutput.

A: The amount of blood that the heart pumps, each minute is defined by the term known as cardiac…

Q: Nursing When comparing Ist, 2nd and 3rd degree heart block: a. Which has the same contraction rate…

A: In heart blocks, the main problem arises because the contraction from the SA node reaches either…

Q: All of the following are correct about the isovolumetric contraction, except  ____________.…

A: Isovolumetric contraction is that phase of cardiac contraction in which there is no appreciable…

Q: Give the 2 reasons you are able to feel a pulse. When do you note the diastolic number?

A: The rhythmic dilation of an artery that results from the beating of the heart is called a pulse.…

Q: Stroke volume is equal to the ______.   A amount of blood pumped in a single beat by both…

A: The cardiac cycle can be described as a cycle during which blood flows in and out of the heart's…

Q: As blood in the great arteries ricochets back against the closed semilunar valves, the second heart…

A: The second  heart sound is caused by the closure of the aortic and pulmonary truck semilunar valves…

Q: Calculate the power generated by the right ventricle during (a) restful state; blood flow 5 L/min,…

A: The heart contracts to circulate blood across the body and into the lungs. The left chamber…

Q: A)  affect on TPR (total peripheral resistance) and how/why it changes it  B)  affect on cardiac…

A: Hello, as your question has many parts, we will only answer the first three parts for you and if you…

Q: here are three major factors that affect stroke volume and therefore affect cardiac output:…

A: To comprehend the fundamentals of well known and define stroke that is cardiac stroke volume (SV),…

Q: How can an individual’s maximum heart rate be estimated explain with a formula?

A: Heart rate is defined as the number of heartbeats per minute. A normal resting heart rate for adults…

Q: What is positive and negative inotropic effect? Please explain at your own words.

A: In the heart for  DEPOLARIZATION  heart has to be charged with positive ions so , the  sodium and…

Q: A atria and ventricles would both be relaxed   B atria and ventricles would both be contracting…

A: ELECTROCARDIOGRAM It is a graph which records the electrical signal from the heart to check for…

Q: Why is resting heart rate somewhat slower than the 80–100 bpm set by the SA node? The AV bundle…

A: Heart rate refers to the rate or the number of beats in one minute. Heart rate differs between…

Q: What is the consequence of the prolonged plateau of depolarization in ventricular myocytes?   a-it…

A: the consequence of the prolonged plateau of depolarization in ventricular myocytes.

Q: In electrocardiography (=EKG, =ECG), what causes a P wave?______   A. atrial repolarization   B.…

A: EKG /ECG :  Electrocardiography is process of producing electrocardiogram. It is a graph of voltage…

Q: what are the components of Echocardiogram?

A: An Echocardiogram (otherwise known as an echo) exist as a type of ultrasound test that uses high in…