Skipped heart beats with low blood pressure? sometimes 4 in a row. also awareness of heart beating hard. and rushing sensations like when u stand up

PVC: It's best you consult your primary care or a cardiologist , specially if it's been going on for some time When heart beats too fast, too slow, or is skipping (irregular) rhythm, it is called arrhythmia. A change in the heart's rhythm may feel like an extra-strong heartbeat (palpitation) or a fluttering in your chest. Premature ventricular contractions (PVCs) often cause this feeling