In this instructional video, Christina Rafano of Nursing SOS breaks down the concepts of cardiac output and stroke volume for nursing students. She defines cardiac output as the total volume of blood the heart pumps per minute and explains that it is calculated by multiplying heart rate (beats per minute) by stroke volume (blood pumped per beat). The video clarifies the distinction between the two measures, uses a simple equation (CO = HR × SV), and reinforces understanding with conversational examples. Throughout, Christina encourages viewer engagement, asks for comments, and promotes the Nursing SOS Membership cardiac course as a resource for deeper learning on cardiac physiology and related disorders.
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In this video, I'm going to break down cardiac output and stroke volume so that you can finally understand it. What's up girlfriend? Christina here with nursingschoolofsuccess.com here to help you both raise your grades and spend more time with your family during nursing school. So make sure you subscribe to this channel so you do not miss out on any other nursing school tips and tricks. So let's talk about cardiac output and stroke volume. Cardiac output simply means the amount of blood your heart can pump each minute. So in one whole minute, how much blood is the heart pumping out? That's all cardiac output means it's a measure of volume. What's the volume of blood that the heart can pump out in one minute? Now here's where things can get a little confusing, but stay with me. You're going to understand it better after this. So cardiac output output has a fancy pants equation and it goes like this. Cardiac output equals the heart rate multiplied by the stroke volume. See, I told you it would be confusing. But do not worry. Let's break it all down. So we already know that cardiac output simply means how much blood the heart can pump out in one minute. Now, heart rate is the rate the heart beats. How many contractions does the heart have in one minute? So that is the heart rate. How many times the heart beats or contracts in one whole minute. Now, during each of these heartbeats, the heart pumps out blood, right? And that is stroke volume. Stroke volume is the amount of blood that the heart pumps out during each beat, not each minute, because that's cardiac output. Stroke volume is the amount of blood the heart pumps out during each beat or each heart contraction. Now this equation makes a little more sense. Stroke volume is the amount of blood the heart pumps out per beat. And if we multiply that by how many times the heart beats or contracts per minute, we end up with the amount of blood the heart pumps out per minute, which is the cardiac output. If this is all making sense to you and kind of clicking for you and you're more confident about taking your cardiac exam now, write love in the comments below. I want to know that this explanation is making total sense for you and is helping you out for your cardiac exam. So. So that's the difference between cardiac output and stroke volume. Cardiac output is the amount of blood your heart can pump out each minute, whereas stroke volume is the amount of blood that the heart pumps out during each beat or each contraction. Now if you want more help with the cardiac system in nursing school and learning all these things you've got to know. You do not want to miss out on the entire cardiac course that we've got for you inside of the Nursing SOS Membership community. This is a game changer for you in nursing school. If you're struggling with understanding all these concepts and the cardiac system and cardiac disorders like heart failure, shock and cardiomyopathy, then the cardiac course inside of the Nursing SOS Membership Community will totally help you out a ton. There's a link down below for you to check out all of the details. Thank you so much for watching, friend, and I'll catch you in the next video.
