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Office of the Chief Health and Medical Officer (OCHMO)

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Human Health and Performance

Humans in Space

The Human Body in Space

Risk of Venous Thromboembolism During Spaceflight

In October 2024, NASA’s Office of the Chief Health and Medical Officer (OCHMO) initiated a working group to review the status and progress of research and clinical activities intended to mitigate the risk of venous thromboembolism (VTE) during spaceflight.

Posted March 15, 2025

Office of the Chief Health and Medical Officer (OCHMO)

Human Health and Performance

Humans in Space

The Human Body in Space

Hydrogen Sulfide (H2S) Independent Assessment

NASA’s Office of the Chief Health and Medical Officer (OCHMO) assembled a small working group to review hydrogen sulfide (H2S) Spacecraft Maximum Allowable Concentration (SMAC) values. The group met virtually three times during February and March 2023, and panel members submitted individual opinion statements in April 2023.

Posted January 17, 2025

Office of the Chief Health and Medical Officer (OCHMO)

Human Health and Performance

Humans in Space

International Space Station (ISS)

Assessment of PFO as Related to DCS in the Spaceflight Environment and During Ground Testing

In June 2024, the NASA Office of the Chief Health and Medical Officer (OCHMO) Standards Team hosted an independent assessment working group to review the status and progress of research and clinical activities intended to mitigate the risk of decompression sickness (DCS) related to patent foramen ovale (PFO) during spaceflight and associated ground

Posted December 31, 2024

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2

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16

Quesst: The Flights

4

Goddard Space Flight Center

496

Investigation of Convective Updrafts (INCUS)

1

Apollo 11

6

CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite)

1

Solar Wind

11

Sunspots

4

Mariner 3

1

National Space Council Users' Advisory Group (NSpC UAG)

1

Sustainable Aviation

2

Donald R. Pettit

4

Walter M. Schirra Jr.

1

Fermi Gamma-Ray Space Telescope

13

Neptune

2

Physical Sciences

6

For Researchers

9

Hispanic Heritage Month

6

Advanced Capabilities for Emergency Response Operations

1

Planets

21

Game Changing Development Program

29

Hybrid Thermally Efficient Core

2

AIM (Aeronomy of Ice in the Mesosphere)

1

Benefits Back on Earth

3

Seyfert Galaxies

4

STS-129

2

Lucy

7

MUSE (Multi-slit Solar Explorer)

1

Curiosity (Rover)

19

University Student Research Challenge

3

ExoMars

3

OSAM-1 (On-Orbit Servicing, Assembly, and Manufacturing 1)

1

Red Giants

1

Grades 9-12 for Educators

10

Jeanette J. Epps

3

Armstrong Flight Research Center

92

Robert L. Crippen

1

Center Innovation Fund

3

Space Operations Mission Directorate

39

Jonny Kim

3

Mars Reconnaissance Orbiter (MRO)

10

54

Technology for Space Travel

14

145

William A. Anders

2

Nicole P. Stott

1

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