with just one trick, you're only one off, which is a great sacrifice if 3♥ is making. and on a good day, 3♠ might even make!
south pass difficult. can you make 4♥? say your partner has absolutely solid hearts. that's 6 tricks plus your two outside aces. eight. two more needed. if partner were strong enough to provide them as well, she would surely have bid to game on her own. could be a level too high ... on the other hand, you have 3 defensive tricks against 3♠ and partner could well provide a couple more. so pass and take the money.
west pass yawn. haven't got much of a 