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Reverse Deep Dive Profiles on NITROX?
Rangiroa Plongee的点评
点评：As an experienced diver I was a little concerned with the practice of just handing out NITROX to everyone, even beginner divers with no experience or understanding of the NITROX physics. Don't get me wrong, the diving and service were OK, I'm not here to get all bent out of shape. That said, being told I couldn't dive with the 'experienced' group was a bit of a shock. Over 5000 dives around the World and worked as an underwater cameraman contracted to NatGeo etc.
My biggest concern though was the reverse profile dives they took my wife on. We dived together in the morning, 20m on NITROX, OK no worries. I then stayed the afternoon with my son who was with us on the first dive to head off and explore the island. Meanwhile my wife was then taken to around 38m for the afternoon dive again on 32% NITRoX. This, for me, is cutting that safety margin way too thin.
I'd also heard after that dive, maybe from another dive group, but there was a diver medevac from Rangiroa for DCS. If such a practice is widespread within Rangiroa then it comes as no surprise that incidents like this may happen. Diver, make the best judgement when dive briefings are made.
My biggest concern though was the reverse profile dives they took my wife on. We dived together in the morning, 20m on NITROX, OK no worries. I then stayed the afternoon with my son who was with us on the first dive to head off and explore the island. Meanwhile my wife was then taken to around 38m for the afternoon dive again on 32% NITRoX. This, for me, is cutting that safety margin way too thin.
I'd also heard after that dive, maybe from another dive group, but there was a diver medevac from Rangiroa for DCS. If such a practice is widespread within Rangiroa then it comes as no surprise that incidents like this may happen. Diver, make the best judgement when dive briefings are made.
翻译：作为一名经验丰富的潜水员，我对他们随意向所有人（包括对高氧空气物理原理一无所知的初学者）发放高氧空气的做法感到有些担忧。别误会，潜水体验和服务都还不错，我并非要大惊小怪。话虽如此，被告知我不能和“经验丰富的”潜水员一起潜水还是让我有点震惊。我在全球各地潜水超过5000次，还曾担任过国家地理等机构的水下摄影师。
不过，我最担心的是他们带我妻子进行的反向潜水。我们上午一起潜水，用高氧空气潜了20米，这没问题。下午我和儿子（他和我们一起进行了第一次潜水）一起去岛上游览。与此同时，我妻子下午又被带到大约38米深的地方，再次使用32%的高氧空气。对我来说，这大大降低了安全系数。
那次潜水之后，我也听说了，可能是从另一个潜水小组那里听说的，兰吉罗阿岛发生了一起潜水员减压病（DCS）的医疗救援事件。如果这种做法在兰吉罗阿岛很普遍，那么发生此类事件也就不足为奇了。潜水员们，在潜水简报会上，一定要做出最佳判断。
不过，我最担心的是他们带我妻子进行的反向潜水。我们上午一起潜水，用高氧空气潜了20米，这没问题。下午我和儿子（他和我们一起进行了第一次潜水）一起去岛上游览。与此同时，我妻子下午又被带到大约38米深的地方，再次使用32%的高氧空气。对我来说，这大大降低了安全系数。
那次潜水之后，我也听说了，可能是从另一个潜水小组那里听说的，兰吉罗阿岛发生了一起潜水员减压病（DCS）的医疗救援事件。如果这种做法在兰吉罗阿岛很普遍，那么发生此类事件也就不足为奇了。潜水员们，在潜水简报会上，一定要做出最佳判断。
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