If a person’s heart rate is 72 beats per minute, determine the number of QRS complexes that would have appeared on an ECG during the first 30 seconds.

Q: Which of the following rows correctly identifies the movement of solutes on the arterial end and…

A: Net filtration pressure of the blood at the arterial end than at the venous end so blood leaves the…

Q: Draw and label a normal ECG. Relate the P, QRS, and T waves to the atrial and ventricular action…

A: Draw and label a normal ECG. Relate the P, QRS, and T waves to the atrial and ventricular action…

Q: Explain how the heart is a double pump and why this is significant

A: Human heart is situated in the space of thoracic cavity present between two lungs.

Q: Explain how an action potential occurs in cardiac contractile fibers.

A: The automatic rhythmicity of the heart is its ability to contract spontaneously and at regular rate.…

Q: Blood flows from an area of low pressure to an area of high pressure. Blood flowing from one aorta…

A: Introduction :- Blood flow refers to the movement of the blood through the vessels from arteries to…

Q: Contrast an anastomosis and a portal system with the more typical pathway of blood flow?

A: Blood is a body fluid that carries necessary nutrients and oxygen to the cells and transports…

Q: When considered individually, the type of blood vessel that has the lowest resistance is.…

A: Introduction:- In blood vessels, most of the resistance is due to vessel diameter, Resistance is a…

Q: Describe and analyze the portions of an EKG. Describe the effects on the different chambers of the…

A: A human heart is 4 chambered mascular organ. Its present inside chest and its similar to a fist in…

Q: A person with a heart rate of 40 has no P waves but normal QRS complexes on the ECG. What is the…

A: Electrocardiogram(ECG) is the record or monitor of the electrical signals of the heart. Electrodes…

Q: Interpret Ventricular tachycardias from ECG with graph

A: The function of the electrocardiogram(ECG) is to trace the electrical activity of the heart. In a…

Q: Define blood flow and blood pressure

A: The circulatory system or the cardiovascular system is an organ system that causes the blood to…

Q: If Gerald's heart rate was 72 beats per minute, determine the number of QRS complexes that would…

A: The QRS complex is the major positive deflection on the ECG produced by ventricular depolarization.…

Q: Why would a wide pulse pressure be logical to give a patient with the condition aortic…

A: Aortic regurgitation is referred aortic valves that fails to close completely and there is the…

Q: Trace the flow of an RBC from right ventricle to left atrium and name the vessels along the way.

A: The heart comprises four chambers and four primary blood vessels to either bring blood to the heart…

Q: NAME this electrocardiogram pattern and EXPLAIN how this electrocardiogram may be caused.

A: ECG is used to check the condition of the heart. It is a graph made by the electrical signal…

Q: Name two functions of arterioles.

A: In microcirculation, a small-diameter blood vessel that extends and branches out from an artery and…

Q: Trace the flow of an RBC from right ventricle to left atrium,naming the vessels along the way?

A: Pulmonary circulation can be defined as the flow of deoxygenated blood from the left ventricle of…

Q: Identify the parts of the cardiac conduction system

A: The heart is the main organ of the human body that pumps oxygenated blood to the whole body and…

Q: A cardiologist observed an enlarged QR wave in the ECG of a patient. What does it indicate?

A: ECG (electrocardiogram) is a graphical representation of the electric current produced by the…

Q: Define the terms contractility, preload, and afterload, and explain how these factors affect the…

A: Ans: Cardiac output: The heats efficiency is calculated by the volume of blood it pumps to the…

Q: Although not considered the primary pacemaker of the heart, the atrioventricular node can indeed be…

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

Q: In the initial stages of ventricular fibrillation (during which the heart produces no functional…

A: The heart is the pumping organ that is responsible for circulating the blood to different parts of…

Q: Interpret Atrial Flutter from ECG with Graph

A: An ECG or electrocardiogram refers to the graph that shows the record of different electrical…

Q: Explain what an ECG trace can tell us about what is happening in the heart.

A: ECG stands for electrocardiogram. It is used to record the electrical activity of the heart.

Q: Why ECG name as 12 lead but we have in ECG 6 chest lead and 4 peripheral ,2 lead from where come

A: ECG also known as electrocardiogram is the representation of the electrical activity of the heart…

Q: interpret Heart failure from ECG with graph

A: An electrocardiogram is a technique that records the electrical signal from your heart to check for…

Q: . In a normal individual, heart rate can be determined by the in an ECG.

A: ECG stands for Electrocardiogram.  It is a test which measures the electrical activity of heart.…

Q: Explain why the SA node normally paces the heart.

A: In human heart, small groups of specialised neuromuscular cells are present within the myocardium.…

Q: Number of double circulations completed by the human heart per minute under resting conditions is

A: Components of closed circulatory system It consists of heart to pump the blood, blood vessels like’s…

Q: Interpret Ventricular tachycardia from ECG with graph

A: ECG stands for electrocardiogram. It is a technique in which the cardiac action potentials of the…

Q: ESV represents the minimum ventricular volume.

A: Heart is a soft-tissue organ comprises of four chambers, two auricles on the top and two ventricles…

Q: Draw these five graphs on the same set of axes: atrial autorhythmic cell action potential atrial…

A: Cardiac muscle action potential- During the action potential there is passing of electrical signals…

Q: If you have a resting heart rate of 125 beats/min or bpm then you have: a normal heart rate,…

A: Heartbeat is the number of times your heart contracts and relaxes. 1 contraction and one relaxation…

Q: What is the mean electrical axis of the ECG recording shown below? VR %3D 十 aVP -60 degrees +90…

A: 1 ) -60 degrees

Q: The first heart sound represents which portion of thecardiac cycle?a. atrial systoleb. ventricular…

A: The heart is a hollow muscular organ. It pumps the blood via circulatory system through rhythmic…

Q: Place the blood vessels listed here in order from MOST pressure to LEAST pressure.

A: The circulatory system, also known as the cardiovascular system or the vascular system, is an organ…

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: Occasionally an ectopic pacemaker will develop in part of the conducting system of the heart. What…

A: An ectopic pacemaker is a collection of excitable cells located outside of the heart's typically…

Q: Interpret Atrial fibrillation from ECG with graph

A: Atria or atrium is one of the two types of chambers present in the heart. Heart is a vital organ…

Q: Please solve this ECG and explain why the rhythm is what it is. ندسية P-WAVE: Y/N PRI: QRS: RHYTHM:…

A: ECG states electrocardiogram. It is a non invasive diagnostic procedure. It is used to record the…

Q: Pacemaker cells are concentrated primarily in two specific regions of the myocardium. ventricle…

A: Heart is a muscular pumping structure and is vital part of circulatory system which helps in sending…

Q: Interpret Accessory pathway tachycardias from ECG with graph

A: Accessory pathway tachycardias is a condition associated with heart. Heart is a vital organ that is…

Q: Calculate heart rate by counting the number of Large ecG Squares

A: The number of times a heart beats in a unit of time is called heart rate. Usually, it is measured as…

Q: As blood in the ventricles surges back against the closed AV  valves, the first heart sound ("lubb")…

A: The heart is the hollow pumping organ of the body that is responsible for circulating the blood to…

Q: Interpret Heart block from ECG with graph

A: ECG stands for electrocardiogram. It is a technique in which the cardiac action potentials of the…

Q: In an ECG, the wave representing atrial repolarization = P wave PR interval O QRS complex O T wave

A: An electrocardiogram is a diagnostic procedure that records the electrical signaling of the heart.…

Q: In the cardiac cycle tracings below, rapid ventricular filling occurs at which point on the figure?…

A: Introduction:- In cardiac cycle rapid ventricular filling occurs in atrial systole when the…