Causes
Cardiac – Heart Failure
Respiratory – Obstructive and restrictive lung diseases, Pulmonary Odema, Pneumothorax, Pleural effusion
Systemic – Anaemia, Myesthenia Gravis
Cardiac – Heart Failure
Respiratory – Obstructive and restrictive lung diseases, Pulmonary Odema, Pneumothorax, Pleural effusion
Systemic – Anaemia, Myesthenia Gravis