#respiratory

Emphysema patient who stays pink by breathing hard

Shortness of breath; difficulty breathing.

Dyspnea on exertion; breathlessness with activity.

Nasal cannula; low-flow oxygen prongs.

Arterial blood gas; a blood test of oxygen, CO2, and pH.

An asthmatic or wheezing patient

Cumulative smoking measure: packs per day times years smoked

Breath sounds (also blood sugar by context).

A patient inside an oxygen tent

Chronic obstructive pulmonary disease.

A respiratory therapist

Chronic-bronchitis COPD patient, cyanosed and oedematous

Pulmonary embolism; a clot in the lung's arteries.

Non-rebreather mask; high-flow oxygen delivery.