Cardiac Cycle
Four points. That’s the beat.
Free · Designed for iPad. Not verified for macOS.
Cardiac Cycle teaches the beat from four cardinal points — not seven named phases to memorise.
Two lines do not move: the aorta (high) and the atrium (low). The ventricle walks between them. A valve opens or shuts only when the moving line crosses a fixed line.
1 Mitral shuts · LUB
2 Aortic opens · silent
3 Aortic shuts · DUB
4 Mitral opens · silent
Open the app and you get:
• 4 Points — the two-line model, then Wiggers when you are ready
• Heart — the cartoon ventricle
• Venous — a, c, v waves in the same beat
• Sounds — S1, S2, and why a murmur sits where it sits
• Film — the four points on a recorded loop
• Test — short questions on the same rule
• Ref — sources, copyright, and this description
The Four Cardinal Points is taught from the registered work “The Valve Clock Timing the Hearts Every Move” (Copyright Office, Government of India, L-29321/2025-CO).
Teaching only. Simulated heart. Not a medical device. Not for diagnosis, monitoring, or patient care.
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Minor UI improvements
The developer, Satish Deopujari, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
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Information
- Seller
- Satish Deopujari
- Size
- 18.8 MB
- Category
- Medical
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © Dr Satish Deopujari