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- Your 70-year-old neighbor, Mr. Michael, tells you he has been diagnosed with a second degree heart block. The physician told him he would need a pacemaker implanted. He knows you are a registered nurse and he wants you to explain pacemakers to him. He is worried he will not be able to use a cell phone. Describe for Mr. Michael what a pacemaker is and what precautions, if any, he has to take after the pacemaker is implanted.Throughout the development of prosthetic heart valves, how might application of nanotechnology be used to improve the strength of the prosthetic heart valves and reduce complications and failures? Discuss.A 12-lead calibration that is 2 vertical large boxes is referred to as? This term refers to the fact there can be only ONE dominant pacemaker? What is the R to R HR if you have 5 large boxes and 3 small boxes? This word means a depolarization NOT originating from SA node? A 12-lead calibration that is 2 vertical large boxes is referred to as?
- I'm doing a literature review on Hypoplastic Left Heart Syndrome. I'm trying to find the boundary conditions for the Fontan Procedure (Average Flow Rates at the Inlets and Outlets. Pressure and Power Losses)What do you think are the clinical symptoms indicating that a person requires the surgical implantation of a mechanical pacemaker?A variety of ways to calculate heart rate from an ECG may be used. The quickest way to calculate heart rate on a rhythm strip is: Count the number of large squares between one R-R interval, and divide this number into 1500. Calculate the number of QRS complexes in 1 minute Count the number of R-R intervals in 6 seconds, and multiply by 10 Count the number of small squares between one R-R interval, and multiply this number by 300.
- on an EKG strip, a nurse determines that a patient's heart is beating 5 times every 4 seconds. Calculate the time for each heart beat in seconds: Calculate the patient's heart rate in beats/min: (Hint: Divide 60 by the time per beat)I need to calculate the approximate heart rate based on the given ECG results, but I can't get how to determine the length of time between two consecutive R waves. What I see, it's one second between the two highest waves (I suppose they are R waves). But it means the heart rate should be 60 beats per minute, but there is no option for this answer. Teach me how to determine correctly the length of time between two consecutive R waves.10. An EKG with a higher QRS complex than normal... A)None of these are true B)Must mean that the end diastolic volume is higher C)Must mean that the ventricular contraction is stronger than normal D)Must mean that the person is exercising and innervating more cardiomyocytes E)Must mean that atrial repolarization is smaller than usual so we see more ventricular repolarization
- 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…Why should we maintain a patient in a compensated heart failure state?The short horizontal line between the P wave and the QRS complex indicates that a-depolarization is moving slowly through the AV Node b-the atria are done contracting c-the ventricles are depolarizing d-the ventricles are contracting and ejecting blood
