HYPERTROPHIC CARDIOMYOPATHY IN 5 SIMPLE STEPS

HYPERTROPHIC CARDIOMYOPATHY IN 5 SIMPLE STEPS

Learning the pathophysiology of hypertrophic cardiomyopathy and other cardiac disorders can be daunting in nursing school.

I'll make it way easier for you to understand in this video!


Let's start with 2 key points you need to know about hypertrophic cardiomyopathy:

1. Cardiomyopathy means that the heart is weakened and can't pump properly. It mostly affects the left ventricle, and this causes the cardiac output to decrease, meaning that there's less blood going to the body.

2. Hypertrophic cardiomyopathy is primarily a genetic condition, and it causes the walls of the heart to enlarge and thicken. This prevents the heart from fully filling with blood, or from being able to pump as much blood out to the body.

In this video, I'll also break down the pathophysiology into 5 easy steps for you to follow:

Step #1: The walls of the heart start to thicken. This is mostly caused by genetic factors that cause the heart cells to enlarge and hypertrophy.

Step #2: Less blood is able to fill the left ventricle. With the walls of the heart enlarging, there is simply less room available for the blood to fill. So there is less blood to start with inside the left ventricle for the heart to pump out to the body.

Step#3: The ventricle can't stretch as easily. As the walls of the heart enlarge and get bigger, the heart walls can't stretch or recoil as much as they should be able to. This also prevents as much blood from filing the heart as it should, because the ventricle can't expand to allow as much blood inside.

Step #4: The heart can't pump out as much blood as it should be able to. With all of the above factors: the walls of the heart thickening and tightening, and less blood being able to fill the left ventricle, less blood is pumped out to the body, leading to a decrease in the cardiac output.

Step #5: The aortic valve get's obstructed (in some cases). As the walls of the heart thicken and enlarge, the mitral valve may get sucked backward, and cover the aortic valve. This is called obstructive hypertrophic cardiomyopathy, where there is an actual obstruction that's not allowing blood to pass through. In this case, the mitral valve is in the way of the aorta, so blood can't get through to the body.


I hope this breakdown helps you understand hypertrophic cardiomyopathy pathophysiology better!

If you want a deeper dive into the pathophysiology, signs and symptoms, nursing assessment and nursing interventions for cardiomyopathy and other cardiac disorders, be sure to check out the NursingSOS Membership Community, where we have all of those videos available for you once you enroll.

You can check out all the details here: https://membership.nursingschoolofsuc...


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R E L A T E D V I D E O S

Dilated Cardiomyopathy Pathophysiology: https://nursingschoolofsuccess.com/ep...

Cardiac Output and Stroke Volume: https://nursingschoolofsuccess.com/ep...

Diastolic Heart Failure Pathophysiology: https://nursingschoolofsuccess.com/ep...

Hypertension Pathophysiology: https://nursingschoolofsuccess.com/ep...


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