Table 2: Resting and Exercising Cardiac Cycle Length, EDV, Resting Values ect 1 ect 2 ect 3 ages Exercising Va Cardiac cycle length (msec) EDV(mL) ESV(mL) Cardiac cycle length (msec) 136 68 145 73 141 68 839 831 855 141 70 452 392 414
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- Table 1 Blood pressure recordings for all positions Body positions Mean systolic BP Mean diastolic BP Sitting position Standing position Supine position Supine position with crossed legs 102-8 + 11-4 65-7 + 82 99.9 + 10-2 66-0 + 8-7 107-9 + 10-7 66-9 + 96 107-0 + 86 66-7 + 7-3 F= 444, P 00s BP, blood pressure. Table 2 Pairwise comparisons between positions in systolic BP Sitting position position Standing Supine position Standing position Supine position Supine position with crossed legs *, the mean difference is significant at the level 0-05 level. Adjustment for multiple comparisons: Bonferroni. Does age factor has any influences in the blood pressure with the change of body positions?< 11:22 My Files Lecture13Activities U.pdf Superior vena cava Activity 2 Sheep Heart Dissection Pre-lab Use the following link to label the pictures below: https://www.youtube.com/watch?v=-ZbXiOrlFJI ← Chordae tendinae Chordae tendinae Left anterior descending artery Diagonal branch PRO ☑ ☑ Nils Tack |||Why is percussion omitted in heart assessment?
- Determine the missing word/phrase to correctly complete the explanation of conduction of the heart beat. Heart Conduction & the ECG The signal along nerves to the This node is located in the the right atrium. An electrical signal is sent and causes The signal is received by the the This signal causes corresponds to the the ECG. This node sends a signal to through the hormone P wave heart. This corresponds to the hormone node in the heart. AV bundle branches R wave S-T P-Q segment segment increased in the brain sends a ; this corresponds to of the ECG. purkinjie fibers node located in the right atrium. There is a slight delay before the next heartbeat as the dissipates from the of the septum and to in the walls of the The sympathetic nervous system causes an heart rate due to the of the ECG. The parasympathetic nervous system causes a heart rate due to the T wave and ofNumber the following structures of the cardiac conduction system in the normal order of depolarization (1 to 5). _______________ AV bundle (of His) _______________ AV node _______________ Purkinje (conduction) fibers _______________ Right and left bundle branches _______________ SA nodeName three mechanisms that can increase cardiacoutput.
- Matching: 1 ✓ 3 4 2 V Ventricular aneurysm cardiac tamponade Starlings law of the heart Pericarditis 1. 2. 3. bulge or pocket in the wall of the ventricle inflammation of the fibrous sac surrounding the heart Fluid buildup in the pericardium, compressing the heart function 4. end diastolic volume versus stroke volume200 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)Relationship between pressure, volume and ECG Pressure (mmHg) Volume (ml) ECG 120 80 40 130 90 50 IVC Aortic valve opens Mitral valve closes Systole ejection EDV Ejection Contraction IVR Aortic valve closes Diastole filling Mitral valve opens Filling ESV Relaxation Filling Aortic pressure Left ventricular pressure Left atrial pressure Left ventricular volume Hint: utilize PV loop to guide you in creating the cardiac cycle diagrams. LVP (mmHg) LV Vol (ml) LVP (mmHg) 100- 0 100 0 150 100 50 Aortic 2 Valve Opening Mitral Valve Closing a b Aortic Valve Closing ESPVR Mitral Valve Opening to 0 Systole Plot the tension in the left ventricle, assuming that only the diameter changes during the cardiac cycle. 3 d 50 ↑ ESV с d C 3 Time a Diastole SV - EDV ------ESV 100 a Aortic Valve Closing Mitral Valve Opening LV Vol (ml) Aortic Valve Opening Mitral Valve b closing EDV EDPVR 150
- Discuss how the change in cardiac cycle length with exercise affects heart muscle perfusion and time for ventricular fi lling.60) If the TV=50 and the ERV = 100 and the IRV = 75 and the RV = 200, what is the VC? Group of answer choices 175 425 150 125 225 61) Referring to the Cardiac Output formula, which value is most important in determining the cardiac output for an individual who is not in good shape? Group of answer choices Heart Rate End-diastolic volume Stroke Volume End-systolic volume 63) Carbon monoxide binds to hemoglobin _____times as strongly as oxygen does. Group of answer choices 25 200 50 100 2 64) When exercising, Starling’s Law comes into effect. Constantly contracting muscles will increase the venous return to the heart. Which of the following will be true in this case? Group of answer choices Local constriction of precapillary sphincters that control blood flow to the exercising muscle Decrease in Heart Rate Dilation of blood vessels that go to the digestive organs Decrease in the diameter of blood vessels to the exercising muscles Increase in…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)