Respiratory Examination

For a quick overview of the respiratory system exam, please see the Introduction to Respiratory Exam article   General Instructions Always examine the patient from their right. Make sure you get consent at the...

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Respiratory Infections

General Overview Respiratory disorders in children are extremely common. The incidence generally decline with age, such that in middle teenage years, they are rare. Children <5 will have on average 6-8 RTI’s per year...

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Respiratory Physiology

Inspiration is an active process, but normal expiration is a passive process. Forced expiration recruits the abdominal muscles to help force out air.   Muscles of breathing Diaphragm – this is the main muscle...

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Restrictive vs Obstructive lung disease

Normal Lung function on spirometry Note the shape of the graph: Fast rising in the first 1 second –  FEV1>80% FVC Flat plateau   Obstructive lung disease COPD Asthma Bronchiectasis CF Characteristics ‘Obstructive pattern’...

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