**What Is a Cardiologist?** **Definition:** A cardiologist is a medical professional who specializes in the diagnosis, treatment, and prevention of heart and blood vessel diseases. These diseases include heart disease,...
...fatigue * Reduced exercise tolerance **Diagnosis:** * Physical exam * Blood tests * Ankle-brachial index (ABI) * Ultrasound or CT scan **Treatment:** * Lifestyle modifications (e.g., exercise, smoking cessation, weight...