Radiation-Associated Explosive Decompression Event
Earth designation: Radiation-Associated EVA Suit Breach Injury
Radiation-Associated presentation of EVA Suit Breach Injury in lunar residents. Life-threatening injury from breach of EVA suit integrity, exposing resident to near-vacuum of lunar surface. The Moon has essentially no atmosphere (surface pressure <10^-12 Pa). Even a small breach causes explosive decompression of the suit interior. Survival window measured in seconds to minutes...
Lunar Risk Factors
Regolith sharp edge penetration of suit. Equipment collision during mining operations. Micrometeorite impact. Suit degradation from UV and radiation. Human error in suit donning.
Symptoms
Immediate: burning pain at breach site, rapid depressurization sensation, then loss of consciousness as cerebral hypoxia occurs within 10-15 seconds of breath-hold failure.
Lunar Presentation
The injured EVA partner usually cannot self-rescue. Companion EVA is mandatory for this reason. Survival depends on immediate companion action within seconds.
Diagnosis
Clinical and radiological evaluation post-rescue. Decompression sickness, barotrauma, hypothermia, radiation exposure assessment.
Treatment
Immediate suit repressurization or buddy rescue to airlock. Hyperbaric oxygen treatment if available. Decompression sickness management.
Lunar Medical Bay Protocol
IMMEDIATE RESCUE PROTOCOL: Companion applies emergency suit patch (all EVA suits carry). Buddy breathing through emergency O2 connection. Rapid airlock return. Medical bay: oxygen 100%, decompression sickness protocol, hypothermia treatment if needed, trauma assessment. Earth telemedicine immediately — all EVA breach events reported to mission control. Hyperbaric chamber if available at habitat.
Evacuation Criteria
All EVA breach events warrant evacuation consideration. Severe decompression injury. Trauma requiring surgical intervention.
Prevention
Two-person EVA minimum. Daily suit integrity inspection. Sharp hazard mapping in work areas. Emergency patch training and drills. Never solo EVA.