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Kind of a cool reaction.... But I said type I hypersensitivity should be considered. My son has peanut allergy, and his presentation is periorbital swelling with a high dose of peanut. No itching is noted. No urticaria has ever been noted. Pinprick test is positive, and IgE level is...

Oh, and the 4th possibility is saliva. Your mouth is constantly producing saliva, probably gallons a day. By being faced down, the flow of saliva is impeded. It is possible that the saliva over flow the capacity of the mouth, and flow into the nasal pharynx - accumulating in the sinuses.

I think there are 3 possibilities. One is tear from the eye, which drains into the inferior meatus of the nose. Two, is normal mucosal drainage of the nostril or sinuses. And three, is water from the sea or lake. If your mask is relatively dry, it might be possible that air flow from the...

A type I hypersensitivity should be considered (IgE mediated). Rubber accelerants, latex, thimerosal, etc. can perhaps be found on the surface of masks or in the anti-fog solution. Patch testing can be done and occasionally can pick up type I hypersensitivity along with the contact...

I am guessing that the dose they will use for nephrotic syndrome is quite a bit lower than that used in organ transplant. So the risk for skin infection and other infection is relatively low. You might want to get a release from her nephrologist to be on the safe side. My guess is that the...

Other important differential to consider: 6. Perpetuation of an irritant dermatitis by a contact allergen (example topical neosporin, topical bacitracin, or topical diphenhydramine). 7. An unusual case of herpetic whitlow (where have you stuck your hand recently?? ) Just kidding, I was...

A good differential diagnosis is absolutely necessary for the work up of any medical condition, DocVikingo. Things don't happen in real life like they do in the movies or the text book. As TSM suggested, hand foot and mouth disease, I left it in the differential diagnosis. And I commend her...

Thanks for the clarification. What I meant was pre-syncope, or vasovagal response. If recognized early, and quickly placed in a recumbent position, this will prevent true syncope from happening - where lost of consciousness occurs.

Hmmm, learn something new everyday! Thanks. Carpopedal spasms Carpopedal spasm

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It was in the boat :( All right. You are all correct. If I had my d**m SMB, I would have been more likely to be a better buddy. Crazy DM zig zag from one clump to another, so drifting was not really drifting. It was kicking cross current. That is where the guy burned air. There was...

No, as I am with the main group in the strong current, with the boat traveling just behind our group, with two propellers spinning. If I fell behind, I am screwed, and it is my fault. Believe me, this happens daily, especially in cozumel. Crazy american divers think they can dawdle all...

Thanks for changing the comment. If I were paid as a DM, it is my responsibility to watch over this man. I paid for my dive, I want to enjoy my dive. Essentially, I wanted to be a solo diver. As other's have said before, take up DM, or solo diving. The problem is, our dive culture...

Don't get me wrong. I am not saying that there are no certified divers who can not swim. I was a certified diver who I considered a "non-swimmer". I passed the 200 yard swim test swimming on my back (which I can not truly call swimming). After several rough boat dives, and my being anxious...

I am leaning more to this one: My safety comes first. Which means - stay close to my source of air. Which is not a photographer. As he will not be paying attention when I am out of air. In the Yucatan penisula, if you don't stay close to your DM leader, you will get lost in the current...

I think the NCL cruises in Hawaii that hired American workers paid $590 a month for the low end workers. That must be why they went on strike and NCL pulled out of the market? They were promised like $1700, but it implied that you "could make it" with tips and bonuses.

Yes, you are right - I do have something against photographers. I guess I kind of told him, stay close, or you are on your own. In mexico, you are required by law to have guided dives, with a DM. So there is no options out. When you have 2 couples (husbands and wives), and 2 solo divers...

I would wonder if NCL and Carnival might prefer the dive opts they already contracted with at the port of calls as provider's for their instructors on board. From my understanding, Carnival is acquiring and owning alot of the on shore excursions - so perhaps you can man these dive shops for...

You are right. We had both an instructor and a DM on the trip, so it was 2 professional leading 6. The two pro's talked to each other before the dive to keep an eye on him, and they already assumed that he will run out of air before everyone else, even before the first dive. I'll have to...

Hmm, your husband is a scuba instructor, and he let you take scuba diving lessons without knowing how to swim? How much life insurance do you have? Did he recently upgraded your policy? In my opinion, the ability to snorkel 300 yards does not qualify one to be certified to dive. The ability...