My alarm goes off.-itsIt's 8 AM and I'm rushing to get into the shower.
but I became especially close to my supervisor.She took me under her wings
I would change "but" because it seems to imply contrast. Maybe "and" or "...everyone better, becoming especially..."
about heart defects and about devices
I learned something new everyday as I talked to patients and learned about their unfortunate conditions.
I don't think you should use the word unfortunate as it sounds very negative and a little harsh.
The two summers spent at the clinic were each as rewarding as the other.
This sentence really confuses me. I'm not sure which two summers you're talking about or what the other is. I'd add a little clarification.
I'd really appreciate it if you could help me with my essay,too (see below). Thanks!