1. Would the relationship be the same if you had recorded the carotid pulse? Justify your answer. 3. What do you conclude about the cardiac cycle from your measurements?
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|
Finger pulse |
|
| start of pulse upswing to peak (s) | Total time (upswinging to baseline, s) |
| 0.090 | 0.240 |
| ECG and Finger pulse | |
| R to start of pulse upswing (s) | T to peak of pulse (s) |
| 0.010 |
0.090 |
1. Would the relationship be the same if you had recorded the carotid pulse? Justify your answer.
3. What do you conclude about the cardiac cycle from your measurements?
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- Finger pulse start of pulse upswing to peak (s) Total time (upswinging to baseline, s) 0.090 0.240 ECG and Finger pulse R to start of pulse upswing (s) T to peak of pulse (s) 0.010 0.090 1. What do you conclude about the cardiac cycle from your measurements?Component Amplitude(mV) Duration (s) P wave 0.046 0.07 QRS complex 0.839 0.08 T wave 0.061 0.2 Describe the physiological events in the heart muscle represented by each ECG component (the P wave, the QRS complex, and T wave). Why does the QRS complex have the largest amplitude?Finger pulse start of pulse upswing to peak (s) Total time (upswinging to baseline, s) 0.090 0.240 ECG and Finger pulse R to start of pulse upswing (s) T to peak of pulse (s) 0.010 0.090 1. Describe the relationships between the ECG, the first and second heart sounds and the finger pulse. 2. Would the relationship be the same if you had recorded the carotid pulse? Justify your answer. 3. What do you conclude about the cardiac cycle from your measurements?
- 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 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 electrocardiogram or…Match the phases of the cardiac cycle given below with the correct corresponding number in the fhigure below. 0.2 04 0.6 0.8 120 100 80+ Pressure changes 60+ 40+ 20+ Left ventricie 120 80 Volume changes 40 V[ Choose ) Isovolumetric contraction 3 Ventricular ejection [ Choose ]200 Curve 1 175 Curve 2 150 125 Curve 3 100 75 50 25 50 100 150 200 250 300 350 400 LV End Diastolic Volume (mL) Use the information in this paragraph and the image above to answer the question below. This figure shows the relationship between EDV and SV. Curve 2 is representatíve of a normal individual sitting on a bike, resting. There are two other curves illustrated and there are multiple points landmarked with a "o" and the letters "A to F". You can assume that the only changes in relevant variables are described in each question. If a variable is not mentioned you can assume that it has not changed. The starting point is "A". Select an appropriate pointif there was an increase in cardiac inotropy. 23 D. Stroke Volume (mL)
- 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.Table 2: Resting and Exercising Cardiac Cycle Length, EDV, and ESV Resting Values Exercising Values Cardiac cycle length (msec) EDV(mL) ESV(mL) Cardiac cycle length (msec) EDV(mL) ESV(mL) Subject 1 839 136 68 452 138 35 Subject 2 831 145 73 392 142 33 Subject 3 855 141 68 414 140 35 Averages 000 Equations (fx) Use these formulas for making your calculations. Round your answer to the nearest tenth. Averages Add the values from the three subjects; divide by three. Your data will not be saved until the table is completely filled in. Table 3: Resting and Exercising HR, SV, and co Resting Values Exercising Values HR (strokes per min) SV (mL) SV(L) co (L/min) HR (strokes per min) sV (mL) SV(L) cO (L/min) Subject 1 Subject 2 Subject 3 Averages Equations (fx) Use these formulas for making your calculations. Round your answer to the nearest tenth. Averages Add the values from the three subjects; divide by three. Heart Rate HR = 60 (sec/min) x 1000 (msec/sec) /cardiac cycle length (msec); HR is…In the same BP measurement= 120/80, what is the arterial pressure when the left ventricle is at the peak of its contraction? Choices: 120804093
- 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…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 300.1. Use this diagram to make the correct matches. D C A F B
