Blood pressure/health issue??

I’m 24 weeks pregnant. This morning, I had been standing to do my makeup for 15 minutes and suddenly my breathing felt really constricted. It got worse and I felt like I couldn’t get enough air. Started seeing spots; woke my husband because I couldn’t stand any longer and I had the urge faint.

I had to take my shirt off and try to calm down. Breathing became better but I felt like my heart rate was very low. I drank water and stayed still. Eventually, I was able to drive to work. It’s been a few hours and I’m still shaky and feel “off”. My head isn’t working right and my pulse feels weak.

OB can’t get me in until Monday. I can not afford a thousand dollar hospital bill. I had a couple fainting spells my first trimester that my doctor wasn’t super concerned about.

I had eaten a healthy breakfast like every morning and I drink plenty of water. I’m scared and I’m not sure what’s going on. I understand I need to see my doctor but does anyone have any ideas or experienced something similar??

I can’t barely type this; I feel numb and slightly confused/not here. It’s strange.