Wilderness Survival: Signal Mirrors - Improvised
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- Опубліковано 14 лип 2024
- How to use a signal mirror effectively for a rescue, and how to improvise a survival signal mirror using other reflective items.
MedWild provides wilderness medicine, wilderness survival, and search and rescue instructional videos on a variety of topics: high altitude illness, traveler’s diarrhea, shoulder dislocation and reduction, shelter building, bushcraft, space blankets, hypothermia, medical kits, survival kits, frostbite, snake bites, fire craft, ropes and knots, orthopedic injuries and sam splints, cold water immersion and more.
Instructor: Howard Donner, MD
Co-Author “Field Guide to Wilderness Medicine”
Served as a physician for Denali National Park, Himalayan Rescue Association, and the 1998 NOVA Everest expedition. Served as a medical operations consultant for NASA for over 5 years. Whitewater rafting guide, commercial pilot, and certified flight instructor.
Recommended Audience: Outdoor enthusiasts and health care professionals including physicians, nurses, search and rescue teams, EMT, paramedics, ski patrol, corpsman, guides, instructors, wilderness first responders, and anyone else interested in educational and “how to” videos on wilderness emergency medicine, travel medicine, search and rescue, expedition medicine, backcountry first aid, wilderness survival training, and military medicine. Dr. Donner’s draws on his extensive backcountry and travel experience to highlight key signs, symptoms, treatments, and improvised techniques and skills.
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Produced by Kyle Allred PA-C
Please Note: MedWild Videos are for educational purposes and not intended to replace recommendations by your health care provider.
See the instructor in this video (Dr. Howard Donner) give presentations and teach a variety of hands-on workshops at the upcoming National CME Conferences on Wilderness Medicine.
All medical specialities are welcome! wilderness-medicine.com
Much better than the usual CD signal mirror video. Two thoughts: (1) you could touch on the risk of shading the mirror with your cap - I generally flip mine around when using a signal mirror. (2) There's a more accurate way to use a CD as a signal mirror. The beam from a flat mirror is extremely narrow - if you center your eye perfectly in the CD hole, center the shadow of the unreflective center ring on your fingers, and center the plane in there, it will work. However, since the angular subtense of the beam from a flat mirror is the angle subtended by Lincoln's head on a penny held at arms length, that's pretty challenging. What I did was to auger a small hole in the back of the CD with my penknife, look through that much smaller hole, catch the small shadow embedded in the reflected CD light on a fingertip, and flick that shadow over the target again and again. Far more precise. I've signaled succesfully myself at 11 miles that way, and taught a friend who subsequently signaled me at 22 miles that way. UA-cam won't let me post the links here, but my video of the 11-mile signal is on UA-cam as: "CD as signal mirror - 11.1 miles
Looking forward to meeting you this July
Great video
WildMedGuru1 Sounds good- are you going to the wilderness medicine conference in Big Sky?
Yes I'm planning to be there
This can be done in a 2 minute video. And how can you use it at night without light?
Why isn't the 12 gage flair gun as backup aside from possible fire danger in some places would this not be a good,backup to carry while trekking too be found,how come this isn't not talked about anywhere?🤔
Thank god it wasn't Barry Manilo! Great vids doc.
How about shine with middle finger! Don't judge me ok!