A pacemaker is a small device that is placed in the chest or abdomen to help control abnormal heart rhythms. This device uses electrical pulses to prompt the heart to beat at a normal rate. Who are the patients greatly in need of this procedure of having pacemaker built in their chest? And why?

Q: Some people have abnormal cords or bridges of myocardium that extend from atrium to ventricle,…

A: The second most common type of coronary arterial abnormality is the Myocardial bridge. It is the…

Q: Briefly outline the design of the heart. Why is the heart often called “two pumps in one”?

A: The heart is a muscular organ that is divided into the left and right sides to prevent the mixing of…

Q: Which of the following lists the events of the cardiac cycle in thecorrect order?a. both atria…

A: Answer- Cardiac cycle is the process by which one total heartbeat is completed. It comprises of…

Q: What do you think about artificial heart? How is real heart different to artificial heart? do you…

A: The working of artificial Heart is very complex and so is its cost. The challenge is to make a…

Q: The part of the heart that relaxes when filling up with blood before ejection to the pulmonary…

A: Heart is the most important organ that pumps blood. It is divided into four compartments; right and…

Q: which of the following is the pacemaker of the heart?

A: Heart  Heart is the pumping organ of animals it is made up of cardiac muscles. The heart of human…

Q: Which one of the following is a matching pair?  A Pulsation of the radial artery - values in…

A: Heart is the muscular organ in most animals that is involved in pumping blood through blood vessels.…

Q: What do you think are the clinical symptoms indicating that a person requires the surgical…

A: Answer- Mechanical pacemaker is a small device that is used to send electrical symptoms to the…

Q: Why should we maintain a patient in a compensated heart failure state?

A: Here we have discuss about why should we maintain a patient in a compensated heart failure state.

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

A: The question consist of two parts but according to the rules of Bartleby.com only the first question…

Q: Given these events, the correct sequence of the cardiac cycle is: i. Atrial diastole ii. Atrial…

A: In the cardiac cycle, diastole means that the heart chamber is filled with blood received from the…

Q: In a single cardiac cycle, if EDV increases, what do you predict about the upcoming SV? Will SV…

A: In a single cardiac cycle, if EDV the upcoming SV will also increase.  EDV is directly proportional…

Q: what would be the order of specific tissue types one would expect to find in the aorta (from deep to…

A: Aorta : The largest artery in our body that transfer oxygenated (oxygen rich ) blood away from the…

Q: Which of the following correctly ranks pressures during isovolumetric contraction of a normal…

A: A normal cardiac cycle is characterised by revenant atrial and cavity contractions and…

Q: Which of these is an incorrect statement concerning the heartbeat?a. The atria contract at the same…

A: The heartbeat has two parts, systole when the heart contracts and pumps blood and diastole when the…

Q: Sino-atrial node is called the pacemaker of our heart. Why?

A: The SA (sino-atrial) node is a neuron’s specialized bundle that is located in the upper part of…

Q: The cardiac conduction system includes all of the following except:- a. the SA node. b. the AV node.…

A: Cardiac conduction system is made up of various muscles which send signals to the cardiac muscles…

Q: A pacemaker is a small device that is placed in the chest or abdominal help control abnormal heart…

A: Introduction A pacemaker is a small, battery-operated device used to control an irregular heart…

Q: Which of the terms in the following pairs is correctly matched? Group of answer choices Heart…

A: Let us first understand the concept before matching A. Systole occurs when the heart contracts to…

Q: Inflammation of the pericardium can lead to a condition called pericardial effusion, in which fluids…

A: The heart is a conical hollow organ which consists of four chambers. Two auricles and two ventricles…

Q: During a heart attack, the blood flow to cardiac muscle tissue is blocked, and cardiac muscle cells…

A: The heart is a major organ in the circulatory system whose function is to pump blood throughout the…

Q: The T wave represents: a. Depolarization of the ventricles b. Repolarization of the atria c.…

A: ECG (Electrocardiogram) can be outlined as the graph which represents the electrical activity of the…

Q: What changes in cardiac function might you expect after surgical replacement of a defective heart…

A: The mammalian heart is a four chambered muscular organ with valves. The valve between the right…

Q: Why is the left ventricle of the heart thicker than the right ventricle

A: Heart pumps blood to the body. Human heart has four chambers, 2 atria and 2 ventricles. Both the…

Q: The lining of the heart chambers is called the __________.   A endocardium   B myocardium   C…

A: The heart is the muscular organ that pumps blood throughout the body. It is made of cardiac muscle.…

Q: John is your 68-year old neighbor who was recently told by his doctor that his heart’s main…

A: Cardiovascular system consists of the heart, blood vessels. The main function of the heart is to…

Q: One treatment for heart problems is “bypass surgery.” What is this and why is it done?

A: The heart is a muscular organ that is responsible for pumping the blood throughout the body. It is…

Q: Discuss why the heart is called a double pump and compare the pulmonary and systemic circuits.

A: The human heart lies in the protective thorax, posterior to the sternum and coastal cartilage, and…

Q: An individual presents with cardiac tamponade.  Their heart would be the most efficient in pumping…

A: cardiac tamponade is a medical condition where there is build up of fuilds in the pericardial sacs.…

Q: Fill in the blank:  The period during which a heart chamber is relaxing is called…

A: Human Heart is a four-chambered, fibro-muscular organ. There are two atria through which the heart…

Q: Which of the following cardiac tissues has the most rapid conduction velocity? A)The AV node. B)…

A: Purkinje fibre situated in both ventricle myocardium

Q: Which of the following acts as the natural pacemaker of the heart? Group of answer choices SA node…

A: Heartbeat is an electro conductive impulse. This impulse is generated in heart itself at a…

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: The atrioventricular valve on the same side of the heart as the origin of the aorta is the _____…

A: ATRIOVENTRICULAR VALVE It is the valve present between atrium and ventricle. It allows the flow of…

Q: Myocardial infarction, or a heart attack, results if there is a lack of oxygen and nutrients brought…

A: Myocardial infarction It is commonly referred to as the heart attack , is the sudden death of   part…

Q: What type of tissue is the heart made out of

A: Introduction:- Tissues are a collection of cells that have a similar structure and perform the same…

Q: Why would a fourth chamber heart be evolutionarily advantageous to an animal?

A: Introduction:-  Birds and mammals, on the other hand, have a four-chambered heart with a fully…

Q: During what phase does blood flow from the ventricles into the pulmonary trunk and aorta?…

A: The recurring sequence of changes that takes place in each beat of the heart ( cardio dynamic events…

Q: The structures in the heart which assure the proper direction of blood flow through that organ are…

A: In the heart there are 4 chamber . 2 upper chamber called right and left atrium. and 2 low chamber…

Q: why is it important for a human heart to develop early and benign functioning

A: The fetal heart is the first developmental and functional organ.

Q: Drugs such as nifedipine slow the heart rate. Nifedipine can be described as what type of drug?

A: The heart is a smooth muscle organ that pumps oxygenated blood throughout the body. Deoxygenated…

Q: Fill in the blank:  The period during which a heart chamber is contracting is called…

A: In most animals, the heart is a muscular organ which pumps blood via the circulatory system…

Q: is it necessary to monitor our heart rate? Why or why not?

A: KEY WORDS :- Normal heart rate -72 to 82 per minute for a normal adult.

Q: The left and right sides of the heart are separated by a structure called the ___ .

A: Heart is chief pumping organ in the circulatory system which supply blood to each and other parts of…

Q: Which fiber system is the first to depolarize in a cardiac cycle? Group of answer choices AV node…

A: Question - Which fiber system is the first to depolarize in a cardiac cycle? Group of answer choices…