Electrocardiogram (ECG) Exercise ECG Resting Echocardiogram (Echo) and Exercise Stress Echocardiogram Coronary Artery Calcium Scoring Event Monitor Holter Monitor Ambulatory Blood Pressure Monitoring Electrical Cardioversion Gastroscopy Liver Biopsy Bronchoscopy Spirometry Lung Function Tests Pleural Aspiration and Biopsy Coronary Artery Disease Heart Failure and Cardiomyopathy Myocarditis Heart Valve Disease Cardiac Arrhythmias Hypertension (high blood pressure) Asthma Chronic Obstructive Pulmonary Disease (COPD) and Emphysema Peptic Ulcer Disease Coeliac Disease Hepatitis Haemochromatosis Headaches/Migraines Thyroid Disorders Osteoporosis Polymyalgia Rheumatica and Giant Cell Arteritis Gout Rheumatoid Arthritis (RA) Fibromyalgia Diagnostic Dilemma