Stroke volume changes during exercise

Common Questions and Answers about Stroke volume changes during exercise

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Avatar n tn Is it possible that I was the unknowing author of my own problems with all the heavy exercise? Do I need to cut my exercise volume and intensity now? Is Zestril the best approach? I can't get past the feeling every time I work out that I am shortening my lifespan rather than prolonging it.
Avatar n tn i've always had a HR that recovered slowly from exertion, but now my resting HR is between 80 and 95. during sleep it falls to 65. my BP is normal to slightly low. i exercise almost every day, though, high-intensity and aerobic exercise. my HR spikes as soon as i start exercising, and can get as high as 190 when i'm wrestling or boxing.
20814293 tn?1519963369 In which case the nunber is great on its own. A stroke volume and cardiac outout would help get a better picture though. The LVH and LBBB (possibly related) is interesting as well. What Im getting at here is: Your chamber dimensions and ideitifying the CAUSE of the LVH (E.g. hypertension) and working to correct it is most important. The EF is of little relevance in your case.
Avatar m tn This happens by a system of vasodilation and vasoconstriction coupled with the pumping rate and stroke volume of the heart. Rather than make frequent changes in volume, the body changes the configuration of the total container (all the vessels) and increases the speed at which the resource is renewed.
Avatar m tn Muscles are in use, the GI system is working and moving, the mechanisms for regulating blood pressure does changes with changing body positions, stress levels, etc. And the heart constantly changes its stroke volume and heart rate, and changes can feel like something is too tight, the heart jumps out of the chest, or other terminology that people use to describe this sensation. They can all cause chest pain of variable degree and location.
Avatar n tn On application of expiratory force, pressure rises inside the chest forcing blood out of the pulmonary circulation into the left atrium. This causes a mild rise in stroke volume. 2.Reduced venous return and compensation: Return of systemic blood to the heart is impeded by the pressure inside the chest. The output of the heart is reduced and stroke volume falls. This occurs from 5 to about 14 seconds in the illustration.
241234 tn?1220984156 There are two types of damage to the brain, First is the epicenter, this area is dead, the second is called the penumbra, which is the area surrounding the epicenter that was partially damaged during your stroke. Recovery of the penumbra area usually spontaneously recovers in 6-12 months. This does not mean you can sit back and just wait for recovery to happen.
907968 tn?1292625804 A healthy cardiovascular system will raise the pulse pressure (PP) with exercise (more forceful contractions and increase in blood volume per stroke) destinquished by the increased systole metric and diastole stays about the same. There is a return to normal PP (about 40) in several minutes. The following supports a change in blood pressure with a heart attack (stroke volume is decreased). " In trauma a low or narrow pulse pressure suggests significant blood loss.
967168 tn?1477588089 CTA which showed Sclerotic changes seen on both sides of the symphysis pubis and Changes of Osteitis pubis with some sclerosis identified in both side of pubic symphsis (my youngest child was 2 1/2 when these were taken) 8/26/2009 RF Ablation - Post procedure ECG demonstrated NSR and nonspecific T wave abnormality.
Avatar n tn I've never smoked, don't do drugs,I drink socially although that is limited because I only have 1 weekend off a month and I don't drink during the week. I exercise (lift weights, not much cardio) 3 days a week, and have a job that keeps me active. I am in pretty good shape, 6'2" and 200 pounds. I was just wondering, what causes this in an otherwise healthy person? I had 2 bouts of Atrial Fib, one about 10 yrs. ago and the other about 20 yrs. ago. My Doctor can't seem to tell me much.
211940 tn?1267884866 I know that people with high BP have more of a risk of heat stroke. So I would NOT cut down on your BP meds during the summer, and be sure to stay cool and hydrated. I have low blood pressure, but my respiration does get more difficult when I'm overheated, and I get really tired afterwards. This is almost certainly due to being heat intolerant because of the MS.
2055110 tn?1330490497 Another cause can be if you are well hydrated, your cardiac stroke volume is higher, which can increase the blood pressure, if you are dehydrated, the body compensates by increasing the heart rate. Both 108/68 and 127/84 are normal.
Avatar m tn The heart appears to be stretching and thinning and filling up with way more blood (LVEDV went from 117mL to 200mL). My stroke volume is now 123.5mL, whereas before it was 60.8mL. To be clear, I ran more back then than I do now, my symptoms are worse now.
Avatar n tn Based on multiple ECG's that I had the changes are interpreted as :deoxygenation of the left atrium.I am trying to rule out which is more likelly causing the problem: the regurgitated mitral heart valve E/A=1.6 or the "trace" volume of calcium that was found by CTSCAN.I know that changes in ST-T interval especially in it's depression can be caused by both coronary artery disease and they can be a result of leaky valves.
Avatar f tn Panic attacks can drive the heart rate far above 150, for example, once I panicked during exercise and my heart rate peaked at 220. My cardiologist told me that heart rates like this in the setting of anxiety and often a little low blood pressure is not unusual and not a sign of any arrhythmia.
2015762 tn?1329258720 It does this by increasing not only the number of beats per minute (the heart rate) but also the volume of blood pumped with each stroke (the stroke volume). Mathematically, the cardiac output can be calculated by multiplying the heart rate times the stroke volume. In anemia, the cardiac output increases, and that allows more hemoglobin to be exposed to the peripheral tissues, making up for the decreased hemoglobin concentration.
Avatar dr m tn Well, it turns out that men go through a similar transition during the mid-life years. Not only does testosterone slowly drop, but thyroid levels as well. Our traditional medical culture and even holistic and alternative doctors sometimes argue that aging is a deficiency of certain hormones, vitamins or minerals, and that replacement using synthetic or natural supplements is the answer. But is that the only answer?
Avatar n tn concentric left ventricular hypertrophy with normal contractility and systolic function but with impaired relaxation 2. dilated left atrium but with normal volume index 3. dilated proximal ascending aorta 4. aortic regurgitation 1+ 5.trivial mitral regurgitation and tricuspid regurgitation 6.normal pulmonary artery pressure.
Avatar n tn For example, if systemic venous return is suddenly increased (changing from standing to supine position), right ventricular blood input (preload) increases leading to an increase in stroke volume and pulmonary blood flow. Now the left ventricle will experience an increase in oxygenated blood from the lungs, which in turn increases left ventricular preload and stroke volume by the Frank–Starling mechanism.
2065676 tn?1331426040 It does this by increasing not only the number of beats per minute (the heart rate) but also the volume of blood pumped with each stroke (the stroke volume). .... In anemia, the cardiac output increases, and that allows more hemoglobin to be exposed to the peripheral tissues, making up for the decreased hemoglobin concentration. Accordingly, the heart rate increases, which gives us one of the cardinal clinical manifestations of anemia, tachycardia, or fast heart rate.
Avatar m tn Everyone get a high heart rate in the beginning of exercise (and it will slow after a minute or so) because it takes time to increase the stroke volume in the heart (it takes some time for enough blood to run back, to properly fill the heart). The heart compensates by increasing the heart rate. Again, with anxiety, the effect will be stronger. It's fairly normal that the heart rate drops quickly after this, but it can also be sustained high if the anxiety gets you.
Avatar n tn Inflammation of the sub-epicardial myocardium is thought to be the mechanism producing ST- and T-wave changes, while inflammation of the atrium is thought to cause the PR-segment changes. In contrast to the regional ST changes of myocardial ischemia, pericarditis produces widespread ECG changes in limb and precordial leads. Four phases of ECG abnormalities have been recognized: Stage 1, with ST elevation and upright T waves, is present in 90% of cases.
Avatar n tn 0 ml stroke volume 130.5ml 106.3 ml ejection frac 83% 75% --- Is this high ??? Exercise Stress test Report ++++++++++++++++++++++++++++ Pulse : 66 Blood Pressure - 140/100 Pre Test physical : unremarkable pre Test Electrocardiogram : Normal, except for PVCs Protocol : Brue Duration of Exercise : 9 minutes ( Nine Minutes ) Reason for Stopping : Fatigue - I was really stress out, Out of breath.
Avatar n tn 0 ml stroke volume 130.5ml 106.3 ml ejection frac 83% 75% --- Is this high ??? Exercise Stress test Report ++++++++++++++++++++++++++++ Pulse : 66 Blood Pressure - 140/100 Pre Test physical : unremarkable pre Test Electrocardiogram : Normal, except for PVCs Protocol : Brue Duration of Exercise : 9 minutes ( Nine Minutes ) Reason for Stopping : Fatigue - I was really stress out, Out of breath.
967168 tn?1477588089 You don't have any increase in pulse pressure during exercise. The fact that your blood pressure increases from 130/70 (pulse pressure 60) to 150/90 (pulse pressure still 60) during exercise is a sign that your heart probably doesn't increase the stroke volume properly. The fact that you fainted during the tilt test can be a similar signal (but I'm possibly on thin ice here).
Avatar n tn it is always disconcerting to read about a healthy runner like you husband who basically develops some form of CAD despite exercise and diet changes. Has he been on cholesterol meds for a while...do the docs give any indication of why they were not successful? Does your husband's hypercholestermia manifest in high TC, LDL...or is low HDL also a factor? Does he have a family history of heart disease? Thanks for the feedback and I have a feeling the CCF will have good info to pass along.
1670856 tn?1316777368 1) Exercise elevates cardiac output and stroke volume. When you get an extrasystole, the heart will fill up even more and next beat feels like an explosion in the chest. 2) This concerns PACs only. After a PAC, the sinus node resets, but before it does, it shakes its head for a short while, like "what was that I just got hit by?" This is the so-called "sinus node recovery time" and the reason you feel a pause after a PAC, and a hard beat after the pause.
Avatar dr m tn Untreated obstructive sleep apnea can lead to chronic fatigue, depression, anxiety, weight gain, high blood pressure, heart disease, heart attack and stroke. ____________________________________________ Steven Y. Park, M.D., author of Sleep, Interrupted: A physician reveals the #1 reason why so many of us are sick and tired. Endorsed by New York Times best-selling authors Dr. Christiane Northrup, Dr. Dean Ornish, Dr. Mark Liponis, and Mary Shomon. www.doctorstevenpark.
1148619 tn?1332014584 It does this by increasing not only the number of beats per minute (the heart rate) but also the volume of blood pumped with each stroke (the stroke volume). Mathematically, the cardiac output can be calculated by multiplying the heart rate times the stroke volume. In anemia, the cardiac output increases, and that allows more hemoglobin to be exposed to the peripheral tissues, making up for the decreased hemoglobin concentration.
214864 tn?1229718839 2) We are very susceptible to changes in our blood volume, especially LOW BLOOD VOLUME, so be very judicious in the use of diuretics and long acting nitrates. 3) Use fast acting nitro throughout the day. I don't know how many times. I have constant angina anyway, so....I am doing it 5 or 6 times a day. I am going to increase treatments after a trip to the pharmacy. I have known blockages that cause the angina.