Most people with sinus tachycardia have little to no symptoms, but some experience heart palpitations, chest pain, and dizziness. Supraventricular ... (e.g., heart rate, blood pressure, breathing ...

I now see a cardiologist for heart palpitations (paroxysmal supraventricular tachycardia ... with many heart conditions including high blood pressure, arrythmias, and coronary artery disease.