Random stuff

How do chemical sunscreens work?

Also known as organic, or carbon based sunscreens - they work by absorbing light.

How do physical sunscreens work?

Also known as mineral sunscreens - they work by reflecting or scattering UV radiation

What natural product is effective against arthropod bites?

Lemon Eucalyptus oil

Absolute CI’s to travel in pregnancy?

1. Active labour

2. cervical insufficiency

3. ectopic, suspected or confrimed

4. placental abruption

5. pre-eclampsia - past or present

6. preterm labour

7. pre-labour rupture of membranes

8. threatened abortion

9. vaginal bleeding

True or false - pregnant women attract more anopheles moisquitos.

True

AT what altitude do glucometers start being less accurate?

Above 3048 m (10,000 feet) they have lower readings than is actually happening

which water disinfection methods kill cryptosporidium?

microfiltration, UV, heat (chlorination not effective)

Why would you add Vitamin C to iodine-treated water?

To make it taste better

CDC recommendations for boiling to kill pathogens in water?

CDC recommends that travelers boil water for a full minute to account for user variability in identifying boiling points and to add a margin of safety. Same at increased elevations.

True or false - Alcohol speeds up acclimatization to heat, cold, and altitude

False - Alcohol slows acclimatization to heat, cold, and altitude

Acute Mountain Sickness

Dependent on elevation, rate of ascent and individual susceptibility

Acetazolamide dosing and duration and ADRs

Start 24 hours prior to ascent and then 48 hours after. 125 mg BID if <100 kg and 250 mg BID if >100 kg. Well tolerated. Tingling and numbness can occur. Sleep should improve