Animation example

Heart failure 3D animation, from body to receptor

A one-minute film that starts with a beating heart, follows a weakened left ventricle and ends on the receptors that norepinephrine acts on. Made in Animiotics from one description.

Heart failure from body to receptor. Made in Animiotics from a written description.

What the animation shows

In heart failure with reduced ejection fraction, the left ventricle pumps out a smaller share of its blood with each beat. Less blood reaches the organs, and the body responds as if blood volume were low.

The sympathetic nervous system steps up. Norepinephrine acts on alpha-1 adrenergic receptors in the arterioles, narrowing them, and on beta-1 adrenergic receptors in the heart, making it beat faster and harder. In the short term this props up blood pressure. Over months it adds to the heart's workload and drives harmful remodeling, which is one reason beta-blockers are a standard treatment for this type of heart failure.

What is illustrative

Anatomy is schematic, receptor structures come from PDB entries 8THL and 9L84, and on-screen values and timing are illustrative. The film follows a kidney-centered sequence for storytelling; in heart failure, the main trigger of sympathetic activation is reduced stretch of the arterial baroreceptors, not the kidney. We note this because a film can be beautiful and still simplify, and you should know where.

Make your own version

Open this film as a starter and customize it, or describe a new animation. A few variations to try:

  • Show how a beta-blocker occupies beta-1 receptors on heart muscle cells and slows the heart rate.
  • Show the renin-angiotensin-aldosterone system activating in heart failure, from the kidney to the blood vessels.
  • Compare a healthy heartbeat with one in heart failure, showing ejection fraction on screen.

Questions

How long can an Animiotics animation be?

Up to 60 seconds. This film is just under a minute and moves from the whole body to individual receptors.

Is this suitable for medical education?

It is a good starting point. Review the sequence with your faculty or medical reviewers and correct it in the editor or with a follow-up prompt.

Keep reading

Describe it. Watch it move.

Start your first animation from a description, a structure or a photo.