We are interested in learning about the occurrence of coughing up blood (hemoptysis) during or shortly after free diving. This condition is commonly referred to as “chest squeeze.” We ask that you take a few minutes to complete this questionnaire. The information is strictly for medical research and the information provided will be kept anonymous and confidential.

1. email (optional):
2. age
3. sex
4. free diving experience in years
5. # dives greater than 50 meters
6. # dives between 30 to 50 meters
7. # dives between 15 to 30 meters
8. # dives between 1 to 15 meters

9. Do you have any medical conditions? yes no
  If so, list the condition(s):
10. Do you have any lung or chest problems? yes no
  If so, list the condition(s):
11. Do you have any sinus problems? yes no
  If so, list the condition(s):
12. Have you taken any medications in the past week? yes no
  If yes, please list medications:

13. Have you ever coughed up blood during or after a breath holding dive? never
once
twice
over 2X
over 5X
many times
14. Were you Short of Breath at any time during any episode of bleeding? yes no
15. How long did the coughing up blood last? minutes
over 1 hour
1 day
several days
one week
over 1 week
16. Did you receive any medical evaluation or treatment for this problem? yes no
  If yes,
medical exam
chest x-ray
medications
other :
17. Do you have any idea where the blood was coming from? don't know
nose or sinus
trachea
lungs
other
18. Approximate depth of dive associated with the bleeding 5-15 meters
15-30 meters
30-50 meters
over 50 meters
over 75 meters
19. Was this dive close to your personal best? yes no
20. Depth of dive prior to the chest squeeze 5-15 meters
15-30 meters
30-50 meters
over 50 meters
over 75 meters
21. Depth of dive 2 dives prior to the chest squeeze 5-15 meters
15-30 meters
30-50 meters
over 50 meters
over 75 meters
22. Depth of dive 3 dives prior to the chest squeeze 5-15 meters
15-30 meters
30-50 meters
over 50 meters
over 75 meters
23. Number of dives in the past month less than 10
10 to 100
over 100
24. Number of dives in the past 24 hours none
less than 10
more than 10
25. Do You Pack? never
yes, but not on this dive
normal packing
extreme packing
26. Do you normally have contractions? yes no
27. Did you have contractions with this dive? yes no
28. Do You Use Negative Pressure Training? never
yes, but not when the bleeding occured
yes, on that dive
29. Did you have any problems equalizing during the dive? yes no
  Please describe:
30. Were you cold during the dive? yes no
31. Did you shiver? yes no
32. Did you notice anything unusual for you during this dive? yes no
  Please describe:
WORLD FREEDIVING MEDICAL ASSOCIATION