15) The followings are the ECG characteristics of atrial fibrillation,except for() A Disappearance of p-wave B Appearance of f-wave C Absolute irregularity of heart rhythm D Heart rate is usually less than 150 bpm E Normal morphology of QRS waves

Q: 117. A 45-year-old man with severe tricuspid valve prolapse undergoes a valve replacement operation.…

A:

Q: 38. The onset of Ventricular systole is associated with: A. the closing of the aortic valve B. the…

A: Heart is the pumping organ. It is responsible for pumping the blood to different parts of the body.

Q: 70. Which of the following phases of the ventricular action potential most closely coincides with…

A: The electrocardiogram is a graphic representation of the electrical activity of the heart recorded…

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: 53 Examination of a full-term male newborn shows muffled heart sounds on the left and the point of…

A: A Cardiac silhouette is the outline of the heart seen on frontal and lateral chest X ray images. It…

Q: A. intense right axis deviation and a slightly prolonged QRS complex. B. left axis deviation caused…

A: Electrocardiogram, also known as ECK or EKG records the electrical activity of the heart. It's a…

Q: (A) What are the signs and symptoms of myocardial infarction. Do they vary across individuals?…

A: Note - we are supposed to solve 3 subparts for a question. Please repost other questions separately.…

Q: 45. Which of the following is/are true concerning the opening and closing of thecardiac valves?   A.…

A: The valves of the heart maintain undirectional flow of the blood and prevent its regurgitation in…

Q: Sketch and discuss the most important waveforms associated to the cardiac cycle and what is the…

A: A sequence of alternating contraction and relaxation of the atria and ventricles in order to pump…

Q: 16. The onset of ventricular systole is characterized by the closing of the AVvalves and:   A. onset…

A: The cardiac cycle refers to the changes in the heart during the phase starting from one heartbeat to…

Q: 1. The source of the electrical currents that you measured on the skin throughout a normal…

A: Note: According to the given guidelines, we are supposed to answer only one question (1st question).…

Q: 6. The diagram shows stroke volume as a function of right atrial pressure. The solid curve shows…

A:

Q: 1. Which phase of Ventricular Filling increases the volume of blood in the ventricles the most?…

A: The heart is a pump that transports blood through a network of arteries. Its function is to send…

Q: 8. The closure of the tricuspid valve separates which two events in the cyclic changes of the left…

A: A single cardiac cycle includes all the events associated with one heartbeat. Thus, a cardiac cycle…

Q: Which of the following conditions can cause irregularities in the sound of the heart?       Mild…

A: Decrease in Heart rate - Bradycardia. Increase in heart rate = Tachycardia.

Q: If an EKG shows regular P waves, but is missing regular QRS complexes, it means that…

A: EKG or ECG is known as Electrocardiogram. It is used to check the functionality of heart.

Q: 1. Explain the Frank-Starling law of the heart.

A: Frank-starling Law Of The Heart. Three important definitions ; End diastolic volume - it is the…

Q: Provide ECG graphs for the following heart abnormalities; 1.Heart Attack 2.Cardiac hyperthrophy…

A: Heart is an important organ because it helps in circulation of blood all throughout the body by…

Q: Newer clinical guidelines suggest using a cut-point value of 120 mmHg for systolic blood pressure to…

A: Hypertension can be defined as the condition in which blood pressure will increase above the normal…

Q: What anatomical changes occur during Myocardial Infarction (MI), and what is/are the likely…

A: Myocardial infarction is also termed as a heart attack. The heart muscle gets damaged when there is…

Q: 22. Define Ventricular Fibrillation. Describe what is happening electrically during VF.

A: Dysrhythmias Cardiac dysrhythmia is associated with abnormal electrical impulse conduction…

Q: Patients with what underlying condition cannot undergo Fick’s method of Cardiac output measurement?

A: Adolf Fick gave the theory for ficks method of calculating cardiac output.

Q: 16 A 62-year-old man comes to the emergency department because of chest pain. Cardiac…

A: The two main coronary arteries are the right coronary artery (RCA) and the left main coronary artery…

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: 46. It is generally accepted that a relatively low diastolic vascular pressure is more important…

A: Diastolic vascular pressure is the lowest arterial pressure measured during a cardiac cycle and is…

Q: Does the erythrocyte sedimentation rate (ESR) rise with age? 2. Can an ESR of 50 mm/h in an…

A: Erythrocyte sedimentation rate (ESR) is a type of blood test that calculates how quickly…

Q: 1. What are some examples of arrhythmias that can be seen on a rhythm strip?  2. What additional…

A: Arrhythmia also called as irregular heartbeats. This occurs when the heart beats too fast or slow.…

Q: electrocardiogram

A: In ECG T wave represents repolarization of ventricular myocardium. Any abnormality in the T wave is…

Q: ct cause of blood clotting in the left atrium of the heart during atrial fibrillation (AF) is not…

A: An irregular often rapid heart rate that causes poor blood flow called atrial fibrillation. Upper…

Q: Even though it is trivial that Beta Blockers might have negative inotropic effect on the heart, but…

A: Beta-blockers act on the Beta 1 receptors which are located in the heart and it slows down the…

Q: Match the following:   ?  Myocardium  ? Parietal Pericardium   ? Endocardium  ?    Visceral…

A: Step 1 The heart is a hollow, fibromuscular conical pyramidal mesodermal organ that lies obliquely…

Q: The short horizontal line between the P wave and the QRS complex indicates that   a-depolarization…

A: * The electro cardiogram will shows following waves  P wave  Q wave R wave  S wave  T wave  U wave…

Q: 4) A) Calculate the Systolic Pressure of a 65 years old man if the diastolic blood pressure is 90…

A: Blood pressure is the pressure of the blood that exerts on the wall of the artery. It is the result…

Q: 1- A. How is the blood in the pulmonary artery and pulmonary veins different from the blood in the…

A: The heart, capillaries, and blood are all part of the blood circulatory system, that ensures that…

Q: 27. A transient decrease in intrathoracic pressure increases pulmonary vascular capacitance and…

A: Question is related to medical surgical nursing Solution given below

Q: 6. Define the conditions tachycardia, bradycardia, arrhythmia and atrial flutter. State in detail…

A: An electrocardiogram (ECG) is a basic test that checks the rhythm and electrical activity of the…

Q: Interpret the following laboratory result in relation to the diagnosis of Myocardial Infarction…

A: Myocardial Infarction is a condition in which there is a lack of blood supply to the heart muscle…

Q: d.T wave

A: Heart- It is the organ that pump blood through out the body is refers as the heart. it is fist…

Q: 6. In the carotid arteriogram, obstruction of the vessel at X is most likely to result in which of…

A: Introduction Carotid arteriogram:- It is an X-ray of the blood vessels to see the blood vessels in…

Q: 29) Which of the following is a contraindication to anticoagulant administration?    A) Ischemic…

A: Anti Coagulant make the blood thinner and less prone to coagulation since the pathway is inhibited…

Q: 2. Using the attached ECG (indicating which complex is used): Label a P wave, Q wave, R wave, S…

A: Interpretation of the given ECG is discussed in the following steps.