Related by context. Frequent words. (Click for all words.) 68 pulmonary 65 respiratory diseases 64 chronic respiratory 64 cardiopulmonary 62 breathing difficulties 61 respiratory ailments 60 lung 60 chronic lung 60 asthma 59 pulmonary disease 59 lung diseases 58 respiratory illnesses 57 emphysema 57 Respiratory 57 pneumonia 57 respiratory distress 57 circulatory 57 respiratory infections 57 cardiac 56 respiratory disorders 56 acute respiratory 55 respiratory illness 55 lung disease 55 respiratory tract 55 lung infections 54 chronic obstructive pulmonary 54 inhalation 54 neurological 54 respiratory symptoms 54 gastrointestinal 52 asthmatic 52 congestive heart failure 52 lungs 52 obstructive sleep apnea 51 cardio vascular 51 respiratory infection 51 upper respiratory 51 lung function 50 difficulty breathing 50 cardiovascular 50 bronchial 50 renal 50 inhaled 50 pulmonary hypertension 49 lung infection 49 gastro intestinal 49 COPD 49 chronic bronchitis 49 shortness 49 renal failure 49 chronic cough 49 asthmatics 49 weakened immune 49 pulmonary function 49 acute kidney 49 sepsis 49 bronchitis 49 sleep apnea 48 breathing 48 sinus 48 airway 48 kidney failure 48 cardiac arrhythmia 47 sleep disordered breathing 47 breathlessness 47 vascular 47 compromised immune 47 deep vein thrombosis 47 ventilation 47 upper respiratory infections 47 digestive 46 Pulmonary 46 dehydration 46 angina 46 septic shock 46 sinusitis 46 skin rashes 46 disease COPD 46 asthma sufferers 46 respiration 46 irregular heartbeats 45 hypertension 45 cardiac arrest 45 heat exhaustion 45 viral infections 45 syncope 45 sleep disorders 45 pulmonary fibrosis 45 neurologic 44 blood clotting 44 bacterial pneumonia 44 bedsores 44 wheezing 44 neonatal 44 acute 44 apnea 44 ulcers 44 arrhythmia 44 thyroid 44 thrombosis 44 ventilators