1. Children have fantastic physiologic reserve but will fall off the cliff quick if illness is under appreciated.
2. Listen to parents - even if they are being too persistent, they know their children better than anyone
3. If you think a patient needs a test because you are concerned they have a significant illness, be persistent and willing to make go do what is in the patient's best interest (even if you have to call in specialists from their cozy homes).
4. Always be wary of questionable vaginal bleeding in pregnancy - sometimes you get more than blood when you look.