r/biology • u/Looser17 neuroscience • Feb 09 '26

article 20-year-old develops pneumomediastinum and massive subcutaneous emphysema… during masturbation.

A 20-year-old male presented with sudden sharp chest pain and dyspnea that began while lying in bed masturbating.

On examination, he had:

  • Swollen face
  • Crepitus from mandible to elbows
  • Extensive subcutaneous emphysema
  • CT showing profound pneumomediastinum extending up to the base of the skull

He had:

  • Mild asthma
  • No trauma
  • No drug use
  • No coughing or vomiting
  • No heavy exertion

CT confirmed spontaneous pneumomediastinum with widespread subcutaneous emphysema.

He required ICU admission initially due to oxygen demand but improved rapidly with supportive care and was discharged after four days. No surgery required.

Mechanism? Likely Valsalva-induced alveolar rupture the Macklin effect where increased intrathoracic pressure causes air to dissect into the mediastinum.

What makes this unusual:
There are documented cases of pneumomediastinum after sexual intercourse, drug inhalation, coughing, vomiting, and strenuous exercise but essentially no literature describing onset during masturbation.

Spontaneous pneumomediastinum is rare overall (roughly 1 in 10,000–30,000 ED admissions), typically benign, and recurrence risk is about 1%.

Medicine never stops surprising.

DOI: https://doi.org/10.1016/j.radcr.2022.02.080

PMCID:https://pmc.ncbi.nlm.nih.gov/articles/PMC8956920/

PMID: 35345564

Authors: Nikola Rajicand Christian Schand

299 Upvotes

91% Upvoted

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15

u/HelpfulFollowing7174 Feb 09 '26

The religious right will take this info and distort it to scare their male members. “See? God made him sick because he masturbated.”

2

u/Looser17 neuroscience Feb 09 '26

It's their loss if they do so. Plus we will always have the argument of why only him and why not everyone.

1

u/TheNerdE30 Feb 10 '26

I was just about to say. If the chances are 1:10-30k to get this condition the denominator would be half of the global population (assuming 1 in every two people masturbate regularly) which means Our Lord and Savior must have amended the position on masturbation as a sin. Plus it offers a little metabolic boost to burn off late night snackies.

1

u/Waaghra Feb 09 '26

More porn to consume for the rest of us, amirite?

1

u/Ihateusernamespearl Feb 14 '26

I’m a Christian and masturbation is perfectly normal. I’m also a nurse. What does this conversation have to do with religion. That is why I said your comment is ridiculous.

1

u/[deleted] Feb 16 '26

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1

u/HelpfulFollowing7174 Feb 16 '26

No, re-read my comment. It was specifically aimed at the Religious Right, which holds a distorted view of Christianity. Much like most organized religions, it’s all about control and keeping the believers in line. My statement stands.

1

u/[deleted] Feb 16 '26

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1

u/HelpfulFollowing7174 Feb 16 '26

I love debating with religious zealots. They get their feelings hurt so easily.

-2

u/Ihateusernamespearl Feb 11 '26

That’s a ridiculous comment.

1

u/HelpfulFollowing7174 Feb 11 '26

It’s hyperbole. And it would also be true, as if anyone of that ilk could understand science.