Please do not become some psychiatrist's medication guinea pig. I have a negative bias towards all psychiatric medications and the professionals who prescribe them. You have a documented heart condition. You don't need an antidepressant. You need heart medication. And, to fill the void in your soul you have a kitten (right?), your artistic pursuits (right?), you have shelter (your own place, right?) and your mental and physical health (even though your heart condition limits your ability to exert yourself). You can do other physical activities that are not as strenuous. My cousin was born with a hole in her heart. She walks every day and she does yoga and even swims. She doesn't take any psych drugs, either. She eats all fresh food that she cooks herself. She also takes 4 heart medications and gets her heart tested every year.

Time to think outside the box. So you can't mountainbike anymore. Replace that with another lower impact athletic activity like walking, swimming, or yoga or even rowing. Those are low impact cardio activities, not high impact which is what your cardiologist told you to avoid, correct?

Obviously, if you decide to pursue the psych meds, just be careful. Glad that you got your early test results from your heart catherization. They are not terrible results.