Help Sam through her medical crisis

My sister Sam has been in the hospital four times in the last two months, starting with seizures and plummeting blood pressure that caused her to pass out. At that first hospital visit, she was found to have fluid in both lungs, but they could only drain one because she was too weak for a second procedure. During the second hospital stay, doctors found fluid buildup around other vital organs, but were unable to pinpoint a cause. Sam described the third visit as "another bout of respiratory distress, sinking BP, and muscle seizure," now with head pain, vomiting, and auditory distortion along with the other symptoms that never went away.

Everyone who knows and loves Sam knows she'd rather be outside, hiking and boating and exploring. She is a strong, free-spirited adventurer who works hard and plays hard, loves travel, and hates being stuck in one place. All of her family and friends are worried and wish we could do more.

Samantha's health care has reached the limit of its coverage. She is already being charged for 29 days' room and board at the hospital. Her diagnostic tests have also been very expensive and still haven't gotten to the root of the problem. Currently she is still experiencing headaches, dizziness, and round-the-clock vomiting; the doctors now think severe migraines are part of her diagnosis, but are testing for blood clots and hereditary aneurysms. Meanwhile, Sam still has rent and utilies to pay, and as long as she is still in a hospital bed, she has no income. Please help!