An invasive cardiologist works to prevent, diagnose, and treat heart disease. As an invasive cardiologist, your primary job duties involve performing heart-related surgery. The qualifications needed for this career include a medical degree, internship and surgical residency experience, and a high tolerance for blood and other bodily fluids. The experience you gain in your training helps you master the technical skills needed for common procedures like pacemaker insertions and angioplasties. You can find an invasive cardiologist position in any cardiovascular care clinic or hospital.