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Turn your cardiac output notes into a concept map

Upload your lecture notes or textbook PDF and get an editable map linking heart rate, stroke volume, preload, and afterload.

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How the cardiac output concept map is built

A cardiac output concept map starts with the core equation, cardiac output equals heart rate times stroke volume, and then branches into what drives each term. Preload, contractility, and afterload shape stroke volume, while autonomic input and rhythm shape heart rate. Upload your lecture slides or textbook pages and DeckOwl builds an editable map you can rearrange and explore branch by branch.

Heart rate and stroke volume as the two branches to start from
Preload, contractility, and afterload as drivers of stroke volume
Fick and thermodilution as clinical ways to measure output
Drag any node to reorder the map or add your own sub-points

Example cardiac output mind map branches

Cardiac outputEquals heart rate times stroke volume · Typical resting value is about 5 L/min · Cardiac index adjusts it for body surface area

Stroke volumePreload · Contractility · Afterload

PreloadEnd-diastolic volume · Frank-Starling relationship · Greater stretch raises the force of contraction

AfterloadResistance the ventricle pumps against · Mainly systemic vascular resistance · Higher afterload lowers stroke volume

Measuring cardiac outputFick method uses oxygen consumption · Thermodilution uses an injected cold indicator · Echocardiography estimates flow with Doppler

Generate the full set

Editable maps

Rearrange nodes, rename branches, and add your own sub-points after generation.

Explorable branches

Expand or collapse each branch to study one relationship at a time.

From your own material

Start from PDFs, DOCX, PPTX, plain notes, or a photo of a textbook page.

How it works

Add your material

Upload a PDF, DOCX, PPTX, notes, or a photo of a page.

Generate the map

DeckOwl builds a mind map of the main concepts and how they link.

Explore and edit

Expand branches, reorder nodes, and adjust anything that does not match your course.

Working through the map makes the relationships easier to remember than a list of definitions. When you can trace why a rise in afterload lowers stroke volume, you can predict how a change affects output instead of memorizing it.

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Frequently asked questions

What belongs in a concept map for determining cardiac output?

Start with cardiac output as the central node, then link heart rate and stroke volume, and branch stroke volume into preload, contractility, and afterload. Add the measurement methods, such as Fick and thermodilution, as a separate branch.

How do I study cardiac output without memorizing the formula alone?

Trace each cause and effect on the map, such as how higher afterload lowers stroke volume, and predict the change before checking your notes. Redraw the map from memory once a day to see which links you can rebuild.

Can I export the cardiac output map?

Exports are part of the Plus plan, which costs $39/year or $7.99/month. The free plan lets you study maps in the browser with 3 generations per month.

Do I need a credit card to try it?

No, you can start on the free plan without a credit card. Students with a school email get 40% off Plus.

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