crowds cheered as pema lama was pulled , dazed and dusty , from rubble .
placed on stretcher with an iv drip in his arm and a brace around his neck .
comes as mother is reunited with baby rescued after 22 hours in rubble .
medic said teenager became ` pancaked ' between two floors when quake hit .
another survivor rescued after 82 hours has had one of his legs amputated .