Dr. Monali Desai is a practicing cardiologist in New York and founder of IfWeWereFamily.com where she writes about health and nutrition, offering science-backed advice for living a healthier life. High blood pressure, also known as hypertension, does not always have noticeable symptoms. But when signs do show, they can include a variety of symptoms: severe headaches, fatigue or confusion, vision problems, chest pain, and difficulty breathing. Traveling can be stressful.