Dr Alex Sirker is a leading consultant cardiologist in London. Having trained at Cambridge University, he continued to hone his skills as a cardiologist and now works at some of London's best medical clinics, including London Medical. At the forefront of his field, he treats patients with a wide variety of symptoms from breathlessness to chest pain, always seeking the best possible way to provide treatment. He specifically specialises in patients with coronoary heart disease. He is a regular contributor to medical journals.