Why is atrial repolarization not observed in the ECG?

Q: How does the delay of the impulse at theatrioventricular node contribute to cardiac function?

A: The second clump of myocardial specialized conductive cells is called as atrioventricular node. This…

Q: What are the different abnormality reading on an ECG?

A: Electrocardiogram (ECG or EKG) is a measure of the electrical activity of the heart. It is a simple,…

Q: Why is it necessary for cells of the cardiac atria and ventricles to contract in a coordinated…

A: Introduction :- Blood from the veins enters the two atria, which have thin walls. The heart's two…

Q: Describe and explain why an atrial p wave differs from a sinus p wave.

A: A test that can be used to check the heart's rhythm and electrical activity is defined by the term…

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: What does an ECG measure? Name the waves andintervals produced by an ECG, and state what eventsoccur…

A: Electrocardiography is the process by which an electrocardiogram is generated. This is a…

Q: Name two functions of arterioles.

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

Q: What is the primary cause of the low velocity of bloodflow in capillaries?

A: The circulatory system is one of the major systems of the human body. The circulatory system…

Q: Why does the total cross-sectional area in the capillary system lower the resistance to flow?

A: Cardiovascular system comprises of Heart, blood vessels and blood. The function of cardiovascular…

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: Does the improper electrode placement in ecg lead to waveform interference or weak/no signals? And…

A: The system of positioning and placement of leads for performing a 12-lead ECG is universal. This…

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: What is the inherent rate of automaticity at the AV junction?

A: The Heart is a vital part of the body, it supplies the blood to the various body part, organs. It is…

Q: Describe how different arrhythmias affect the ECG.

A: ECG stands for electrocardiogram. ECG is the test to check the electrical signal of the heart to…

Q: Why does bloodflow decrease significantly at the capillaries?

A: Capillaries is a network of vessels which connects the arteries to vein

Q: What does v1 v2 v3 mean in ECG?

A: Electrocardiography refers to the method of recording the electrical activity of the heart. A…

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: What is the normal range of rv5 sv1 in ECG?

A: Introduction: ECG or electrocardiogram is a machine that reads the electrical signal from your heart…

Q: Explain why part of the myocardium is nonfunctionalfollowing myocardial infarction.

A: The heart supplies blood to different parts of the body. Blood carries oxygen and nutrients to the…

Q: Describe the components of the left atrioventricular valve.

A: The heart has four chambers: right atrium, right ventricle, left atrium, and left ventricle. The…

Q: What are the 12 leads of an ECG?

A: The heart is a muscular organ that pumps blood to different parts of the body. The heart consists of…

Q: Why do some people show breath to breath changes on a ECG more clearly than others and what is the…

A: The most convenient and easy method to monitor the working of heart is taking an Electrocardiogram.…

Q: Why do implantable defibrillators require far less power on their own than a pacemaker?

A: Pacemaker is known as artificial heart which is incorporated of any problem in functioning of the…

Q: Why are the left and right coronary vessels considered the major coronary vessels?

A: The coronary vessels are the blood vessels which are responsible for supplying blood to the heart.

Q: How might damage to the heart be detected in an ECG?

A: An  ECG is electrocardiogram. It is the test used to measure the damage to the heart.…

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

A: The heart is a muscular organ the size of a fist that sits directly behind and somewhat to the left…

Q: Define ECG

A: Heart is the muscular pumping organ of the circulatory system. It is present in the mediastinum…

Q: Atrial fibrillation can be caused by wandering re-entrant circuits.  What does this mean?

A: Introduction Any valve in the heart can be damaged or diseased, resulting in valvular heart disease.…

Q: viscosity of the fluid affect the capillary height?

A: Viscosity is the resistance for fluidity of liquid. Hence it also affects the capillary height.…

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: 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: Relate the EKG waveforms to the normal mechanical events of the cardiac cycle.

A:

Q: The volume of blood in the ventricle at the end of a systole or ejection period is known as

A: The cardiac cycle is the time period that begins with atrioventricular contraction and concludes…

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: Illustrate the characteristics of the Wenckebach phenomenon seen on ECG?

A: A simple test to examine the heart's rhythm and electrical activity is an electrocardiogram (ECG).…

Q: List the ECG characteristics of first-degree AV block in lead?

A: First-degree atrioventricular (AV) block is a condition of abnormally slow conduction through the AV…

Q: If an EKG strip is missing normal QRS complex, the rhythm can all be of the following, EXCEPT:

A: Torsades de pointes is a special type of ventricular tachycardia or fast heart rhythm which starts…

Q: Why is it important that the AV node delay the electricalimpulse moving from the SA node and the…

A: The  AV node is a part of the electrical conduction system of the heart that coordinates the top of…

Q: Pressure changes that occur during the cardiac cycle are responsible for what two physiologic…

A: The cardiac cycle is the time interval between atria contraction and ventricular relaxation. Fluids,…