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September 15, 2017

BehindTheMedspeak: An easy way to save a life in hot weather

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I like medical interventions that anyone can do without worrying about whether they're doing things right.

The very best ones can't hurt and might help.

The other day I got to thinking about my 2010 Pittsburgh Half-Marathon experience, when I dropped out around mile 11 to help a runner who'd collapsed onto the street.

She was thrashing around and non-responsive and people were standing around not doing much of anything, no one having even called for a rescue team.

Obviously — to me — she had heat stroke; I couldn't feel a pulse, a sign that her blood pressure and cardiac output were way down.

I took her ankles and lifted them a couple feet into the air, which returned all the blood pooled in her legs — probably about a third of her total circulating blood volume — back to her central circulation where she needed it most, to perfuse her brain and heart.

That left me free to tell the people in the vicinity to start pouring whatever liquids they had on the woman's neck and chest, to cool her down and drop her very likely significantly elevated core temperature.

As I recall, they doused her with water, Gatorade, juice, all manner of fluids, it didn't matter, and that was just fine.

It took about 15 minutes for a rescue vehicle to get there and by that time her eyes were no longer rolling back up into her head and her twitching had stopped, though she was by no means back to normal.

I thought she was stable enough to let her go to the hospital with the rescue squad without me riding along, since by then her pulse was strong and her breathing regular and she was somewhat responsive.

Turned out she went into kidney failure as a result of decreased renal blood flow during that episode and spent a couple days in the ICU before being sent to the floor and, after 5-6 days total in the hospital, home.

A near miss.

I talked to her (she was in her early thirties, a young wife and mother) and her dad a week or so after she returned home and she'd apparently pretty much recovered, though she said she was still a little weak.

Anyhow, long story short: If someone appears to be overcome by heat, lift their legs into the air and keep them there while you wait for assistance.

It can't hurt and might help.

This simple maneuver is also potentially lifesaving if someone is having a heart attack or in cardiac arrest, for the same physiological reason: it returns blood to the central circulation so the heart can better perfuse critical organs like the brain, lungs, and kidneys, as well as its own muscle.

September 15, 2017 at 12:01 PM | Permalink | Comments (3)

Revolving Platform Door

Evolutiondoor

Want.

Invented by Klemens Torggler in 1997.

From Wikipedia:

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The revolving platform door is a door made of two door leaf parts supported on one another and rotatably coupled to one another.

For opening and closing, both door leaf parts swing out in synchrony in opposite directions in a horizontal rotation through 90°, into the passage or out.

Drehplattentuer-figur

The revolving platform door, like a cycloid, moves in the same opening direction as a sliding door but does not require a guide rail.

Rails can often be disruptive, especially when retrofitting.

The advantages of this door, primarily designed for interiors, are its special ease of movement and low space requirement.

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Below:

Drehplattentür.Foto

back view.

[via RealityCarnival]

September 15, 2017 at 10:01 AM | Permalink | Comments (0)

bookofjoe's Favorite Thing: Cock 'n Bull Diet Ginger Beer

A

One of my favorite things about Jamaica is D&G Ginger Beer, with way more bite and sass than any ginger ale I've ever had except for Vernor's, the pepperiness of which I find overwhelming and unpleasant.

I've never seen D&G's soda in the U.S. so I'd pretty much given up on other ginger beers both imported and domestic — and I bet I've tried 15-20 over the decades.

I happened on Cock 'n Bull — new to me — at my friendly neighborhood Kroger a month or so ago and bought both original and diet ginger beers.

B

Not only is the original excellent — best I've had since D&G — but also, much to my astonishment and delight, the diet iteration is indistinguishable from the original in repeated blind tastings conducted in pitch darkness by yours truly.

The origin story from the carton:

Gc detail

A four-pack of either runs $4-$5 depending on the day of the week.

Highest recommendation.

Bonus for those who read the entire assignment:

Gc 3024

Lagniappe: click on GC to enlarge the pic.

September 15, 2017 at 08:01 AM | Permalink | Comments (1)

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