1 00:00:01,442 --> 00:00:04,624 - [Instructor] When using the terms systole and diastole, 2 00:00:04,624 --> 00:00:06,492 maybe they trigger the thought or idea 3 00:00:06,492 --> 00:00:08,932 that hey, maybe this is blood pressure. 4 00:00:08,932 --> 00:00:12,472 Systolic pressure, diastolic blood pressure. 5 00:00:12,472 --> 00:00:14,587 Well, it's the same basic idea. 6 00:00:14,587 --> 00:00:18,726 Systole is when the ventricles are contracting, 7 00:00:18,726 --> 00:00:20,924 while your systolic blood pressure, 8 00:00:20,924 --> 00:00:22,958 the higher of the two numbers, 9 00:00:22,958 --> 00:00:27,421 happens from the contraction of the ventricle. 10 00:00:27,421 --> 00:00:31,482 So a systolic blood pressure is the top number 11 00:00:31,482 --> 00:00:32,699 of the blood pressure, 12 00:00:32,699 --> 00:00:35,178 or the higher of the two blood pressures, 13 00:00:35,178 --> 00:00:40,097 as measured as the ventricular is going through systole, 14 00:00:40,097 --> 00:00:43,014 while diastolic refers to diastole. 15 00:00:44,445 --> 00:00:48,180 It's the lower pressure or that bottom number. 16 00:00:48,180 --> 00:00:52,406 This happens when the ventricles are at rest, 17 00:00:52,406 --> 00:00:55,408 when the ventricles are in diastole. 18 00:00:55,408 --> 00:00:59,103 The way to measure it is a sphygmomanometer. 19 00:00:59,103 --> 00:01:02,197 The sphygmomanometer is that blood pressure cuff 20 00:01:02,197 --> 00:01:04,714 they put on your arm and you can pump up the pressure. 21 00:01:04,714 --> 00:01:07,233 What typically occurs is systolic pressure 22 00:01:07,233 --> 00:01:10,316 should be around that 120ish mark, 23 00:01:10,316 --> 00:01:12,832 maybe it's 110, maybe it's 125, 24 00:01:12,832 --> 00:01:14,779 it's all pretty much in the normal range there. 25 00:01:14,779 --> 00:01:16,687 It depends on the person. 26 00:01:16,687 --> 00:01:20,546 Diastolic, give or take around the 80 mark, 85, 75. 27 00:01:20,546 --> 00:01:23,546 But some people have varied numbers. 28 00:01:24,652 --> 00:01:27,742 A person might have a systolic pressure of 105 29 00:01:27,742 --> 00:01:29,659 over a diastolic of 65. 30 00:01:30,872 --> 00:01:32,535 That's what you'd personally find 31 00:01:32,535 --> 00:01:35,662 because that's their normal pressure. 32 00:01:35,662 --> 00:01:38,504 These normal readings are just guidelines. 33 00:01:38,504 --> 00:01:41,105 It all depends on what you typically have 34 00:01:41,105 --> 00:01:44,148 as blood pressure, and what works for your doctor. 35 00:01:44,148 --> 00:01:46,869 So if you don't have a perfect 120 over 80, 36 00:01:46,869 --> 00:01:48,335 don't worry about it. 37 00:01:48,335 --> 00:01:50,775 What's important is as long as the doctor 38 00:01:50,775 --> 00:01:53,296 is happy with what the blood pressure is. 39 00:01:53,296 --> 00:01:55,776 How about hypertension? 40 00:01:55,776 --> 00:01:58,989 Hyper is high, so too much tension. 41 00:01:58,989 --> 00:02:01,873 Too much tension is not a good thing 42 00:02:01,873 --> 00:02:04,316 as far as blood pressure goes. 43 00:02:04,316 --> 00:02:07,852 Hypertension is a sustained high blood pressure. 44 00:02:07,852 --> 00:02:10,291 It's where your blood pressure stays elevated 45 00:02:10,291 --> 00:02:14,246 for days or weeks on end, even months on end. 46 00:02:14,246 --> 00:02:16,938 I put there the silent killer, 47 00:02:16,938 --> 00:02:21,291 because hypertension slowly wears down the heart. 48 00:02:21,291 --> 00:02:24,541 It slowly wears down the blood vessels. 49 00:02:25,557 --> 00:02:27,671 And you pretty much have one heart your entire life. 50 00:02:27,671 --> 00:02:30,392 You might, if problems arise, be lucky enough 51 00:02:30,392 --> 00:02:33,683 to find a transplant, but more often than not, 52 00:02:33,683 --> 00:02:36,691 you've got to keep that heart healthy. 53 00:02:36,691 --> 00:02:38,394 So it's hypertension. 54 00:02:38,394 --> 00:02:40,912 If you're treated by trying to reduce stress, 55 00:02:40,912 --> 00:02:42,943 yeah, that's a real easy one, sure. 56 00:02:42,943 --> 00:02:44,203 We're all stressed. 57 00:02:44,203 --> 00:02:47,330 Maybe it helps out with exercising more, 58 00:02:47,330 --> 00:02:49,680 something that most people can do. 59 00:02:49,680 --> 00:02:52,198 It could help out with eating healthy. 60 00:02:52,198 --> 00:02:54,837 It could help out with proper sleeping cycles. 61 00:02:54,837 --> 00:02:57,637 But sometimes none of those matters, 62 00:02:57,637 --> 00:03:00,851 because the hypertension is genetic. 63 00:03:00,851 --> 00:03:03,860 In that case, a lot of times doctors turn to medicine 64 00:03:03,860 --> 00:03:07,236 to try to help and lower the blood pressure. 65 00:03:07,236 --> 00:03:09,569 Hypotension, H-Y-P-O is low. 66 00:03:11,708 --> 00:03:15,291 Hypotension, the blood pressure is too low. 67 00:03:17,157 --> 00:03:19,476 You get dizziness, you might be fainting. 68 00:03:19,476 --> 00:03:22,282 It's hard to keep a balance. 69 00:03:22,282 --> 00:03:24,595 Now some causes of hypotension, 70 00:03:24,595 --> 00:03:28,210 severe burns, because you're losing fluid, 71 00:03:28,210 --> 00:03:31,960 blood loss, again, losing fluid, orthostatic. 72 00:03:33,660 --> 00:03:36,553 The idea here is all these are cutting down 73 00:03:36,553 --> 00:03:38,787 on the amount of fluid in your body, 74 00:03:38,787 --> 00:03:40,900 creating a problem where you cannot 75 00:03:40,900 --> 00:03:44,273 get the adequate blood pressure to the rest of your body. 76 00:03:44,273 --> 00:03:47,077 If there's not adequate blood pressure, 77 00:03:47,077 --> 00:03:50,571 you cannot get enough blood up to the brain. 78 00:03:50,571 --> 00:03:54,635 Not enough blood to the brain means not enough oxygen. 79 00:03:54,635 --> 00:03:56,709 Hence the dizziness. 80 00:03:56,709 --> 00:04:00,810 If you're lacking too much oxygen, you'll absolutely faint. 81 00:04:00,810 --> 00:04:03,901 It's your body's protection of trying to say, hey, 82 00:04:03,901 --> 00:04:06,175 get more air in here, breathe more. 83 00:04:06,175 --> 00:04:10,342 So here we have a sphygmomanometer wrapped around the arm. 84 00:04:12,147 --> 00:04:14,871 What it's gonna do is it's gonna be inflated 85 00:04:14,871 --> 00:04:16,663 to its highest pressure 86 00:04:16,663 --> 00:04:19,997 where it cuts off the blood flow in that artery. 87 00:04:19,997 --> 00:04:22,715 Then as the pressure is slowly released, 88 00:04:22,715 --> 00:04:25,110 the person listening to the stethoscope 89 00:04:25,110 --> 00:04:28,927 will hear one all of a sudden pulse, a rush, 90 00:04:28,927 --> 00:04:32,226 that's when there's enough pressure to push the cuff. 91 00:04:32,226 --> 00:04:35,836 It'll lower the pressure and also there will be 92 00:04:35,836 --> 00:04:38,272 a second sound coming through. 93 00:04:38,272 --> 00:04:40,345 That's when enough pressure 94 00:04:40,345 --> 00:04:43,346 on the low end of things goes through the cuff. 95 00:04:43,346 --> 00:04:47,337 So you'll hear as the blood first goes through, 96 00:04:47,337 --> 00:04:50,136 and then when it all passes through. 97 00:04:50,136 --> 00:04:51,760 That will give you your systolic, 98 00:04:51,760 --> 00:04:54,239 the highest pressure that pushes through first 99 00:04:54,239 --> 00:04:57,900 over diastolic, the pressure that goes through the end 100 00:04:57,900 --> 00:05:01,192 when it was low enough to let everything go through. 101 00:05:01,192 --> 00:05:05,618 Pressure is measured in millimeters of mercury. 102 00:05:05,618 --> 00:05:08,261 You might have a pressure of 120 over 80 103 00:05:08,261 --> 00:05:10,178 millimeters of mercury.