The Dependent Variable
Rebuilding cardiovascular physiology from first principles.
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 11 | Founded | 2 months ago | Last Issue | 5 days ago |
| Active | |||||
Read this Newsletter
icmteaching.substack.comLatest Issues
Episode VI: The Bathtub Menace
It is a period of hydraulic confusion. The venous reservoir appears to supply the force returning blood to the heart, while the cardiac pump merely restores what has been lost. But an old law of physics has been disturbed. A reservoir that...
Episode V: The Reservoir Awakens
It is a time of uneasy equilibrium. The phantom pressure has been challenged, but not defeated. A fixed volume of blood still stretches compliant vessels, storing energy and limiting the circulation’s possible states. Now a new defender has...
Episode IV: The Phantom Pressure
The gradient has survived the rebellion. Mean systemic pressure still appears to sit upstream of the right atrium, driving blood home. But as George Brengelmann opens the black box, a troubling question emerges: where, in the flowing circul...
Episode III: Return of the Elastic State
It is a period of haemodynamic uncertainty. The gradient has been challenged, the numerator has struck back, and the old equation can no longer explain itself. From the compliant depths of the venous circulation, a forgotten state is about...
Episode II: The Numerator Strikes Back
A new gradient had entered the circulation…
In 1955, Arthur Guyton changed the way physiologists thought about cardiovascular function. The circulation was no longer viewed simply as a heart pumping into a passive network of vessels, but a...
Key Facts
Audience Metrics
Subscribers, engagement, traffic and sponsorship for The Dependent Variable.
| Subscribers | Engagement | 75 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Explore More
Authors
The writers behind this newsletter.
Rebuilding cardiovascular physiology from first principles.
Frequently Asked Questions
How can I access the email archive for The Dependent Variable?
You can find recent issues that have been published by The Dependent Variable on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does The Dependent Variable have?
To see how many people subscribe to The Dependent Variable, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in The Dependent Variable?
Newsletter advertising can be extremely effective when it's done right. Before you pitch The Dependent Variable as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like The Dependent Variable?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact The Dependent Variable using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to The Dependent Variable?
Scroll up to where it says Related Newsletters to see other publications like The Dependent Variable. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact The Dependent Variable?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.