Elaborate about the AV node why and how it decreases the action potential

Which structure is responsible for sending the electrical excitation from the atria towards the ventricles. Left bundle branch Sinoatrial node Right bundle branch Atrioventricular node Purkinje fibers

During which phase of cardiac cycle is pressure in the aorta the highest? a. atrial systoleb. isovolumetric ventricular contractionc. atrial diastoled. ventricular systolee. isovolumetric relaxation

T waves on an ECG representa. depolarization of the ventricles.b. repolarization of the ventricles.c. depolarization of the atria.d. repolarization of the atria.

The standard EKG consists of 10 sensors that record 12 leads of the heart’s electrical activity from different angles, allowing for a thorough three-dimensional interpretation of its activity. This is transmitted by the electrodes to the equipment to be interpreted and is used to diagnose cardiac medical conditions. In case of an abnormal EKG, the second step would be to use a Holter monitor. How would you explain to your classmates how to perform an EKG (steps)? Where will you place the electrodes when performing and EKG? Why? What are the different lead types, connections, and placements? When you conclude an EKG, what are the different components that you need to observe and confirm before you disconnect the patient? Can you explain the difference between normal, abnormal, and artifacts? What is a Holter monitor? Under what circumstances would one be ordered for a patient? How do you use a Holter monitor? Educate a patient: What you will do before, during, and after an…

Which fiber system is the first to depolarize in a cardiac cycle? Group of answer choices AV node AV bundle SA node Purkinje fibers

Explain how sinoatrial node functions in the heartbeat action

Answer quickly Describe the Cardiopulmonary System?

Describe the cardiac effects of the sympathetic nervous system and the parasympathetic nervous system

When the SA node fails, the AV node establishes a new intrinsic heart rate. This will result in Increased parasympathetic output to the SA node Increased blood pressure Increased blood flow through the pulmonary circulation Decreased cardiac output As Decreased sympathetic output to the SA node 20