Posibleng Mga Sanhi para sa Cyanosis sa Labi Hika Chronic na Obstructive Pulmonary Disease Pulmunya Atelectasis Congestive Heart Failure Pulmonary Edema Cardiomyopathy Chronic na Bronchitis Cor Pulmonale Influenza Pneumonia Malalang Respiratory Distress Syndrome Pneumococcal Pneumonia Hypoxia Malalang Massive Pulmonary Embolism Paulit-ulit na Pulmonary Embolism Chronic na Congestive Heart Failure sa Kanang Bahagi Aspiration Pneumonia Malalang Respiratory Failure Pulmonya na sanhi ng Bakterya Idiopathic Pulmonary Fibrosis Neonatal Respiratory Distress Syndrome Pneumothorax Pulmonary Fibrosis Cardiac Arrest Cystic Fibrosis Pericarditis Ventricular Septal Defect Sakit sa Puso Mitral Valve Stenosis Chronic na Thromboembolic Pulmonary Hypertension