Cardiologist in Bettahalasur, Bangalore • Causes of dyspnoea Cardiac Left ventricular failure (ischaemia, cardiomyopathy, valvular disease) Angina Mitral valve disease Tachyarrhythmia Pericardial effusion or constrictive pericarditis Intra-cardiac shunting (e.g. atrial septal defect) Non-cardiac Respiratory Airways disease (asthma, COPD, bronchiectasis) Parenchymal disease (pneumonia, pulmonary fibrosis, pneumoconiosis, pneumothorax, infiltrating carcinoma) Pulmonary circulation (pulmonary embolism, pulmonary hypertension) Chest wall and pleura (effusion, pleural tumour, fractured ribs, kyphoscoliosis) Anaemia Other Psychogenic Obesity and lack of physical fitness Acidosis (