SHORTNESS OF BREATH JOHNEY SAPIT ASSISTANT MEDICAL OFFICER EMERGENCY DEPARTMENT QUEEN ELIZABETH HOSPITAL
DEFINITION Unpleasant sensation of difficulty in breathing. An increase in breathing occurs normally during exercise and a high altitudes. Breathing is also increased at rest people with many illness,whether of the lungs or of the other parts of the body.
Shortness of breath may be due to; Cardiac – eg.mitral stenosis or left ventricular failure of any causes. Lung – both airway and interstitial disease. Anatomical – diseases of the chest wall, muscles or pluera . Trauma – pneumothorax , haemothorax Others – thyrotoxicosis , ketoacidosis , aspirin poisoning, anaemia , psychogenic.
How to decide patient at triage counter Green Zone Yellow Zone Red Zone Acute exacerbation Bronchial asthma ( mild to moderate ) Hyperventiletion able to walk Dyspnoea < 25 per min Dyspnoea with saturation of >95% and respiration rate of 20 –25 per min Hyperventilation & unable to walk Dyspnoea of saturation < 95% and respiration of 25 per min Patient with airway compromise eg . gasping severe maxillofacial injuries & comatosed patient Severe asthma & COAD
MX Assess severity and examine the chest * auscultation, percussion General measures * oxygen support may help if saturation is < 90% * chest x – ray