Problem based learning (Session I) Cyanosis Moderator: Dr Gui yonghao
Problem based learning (Session I) Cyanosis Moderator: Dr. Gui yonghao
Cyanosis---Hints a Central cyanosis: implies decreased arterial oxygen saturation Peripheral cyanosis: caused by a decreased rate of peripheral blood flow
Cyanosis---Hints ◼ Central cyanosis: implies decreased arterial oxygen saturation ◼ Peripheral cyanosis: caused by a decreased rate of peripheral blood flow
Differential diagnosis Cardiovascular disease Congenital heart disease Eisenmenger syndrome Pulmonary arteriovenous fistulae Systemic arteriovenous fistulae Primary pulmonary hypertension
Differential diagnosis ◼ Cardiovascular disease -Congenital heart disease -Eisenmenger syndrome -Pulmonary arteriovenous fistulae -Systemic arteriovenous fistulae -Primary pulmonary hypertension
Differential diagnosis Congestive heart failure/ low output state Respiratory diseases Nasal obstruction Foreign body aspiration -Tracheal compression Bronchiolitis -Reactive airway disease
Differential diagnosis -Congestive heart failure/ low output state ◼ Respiratory diseases -Nasal obstruction -Foreign body aspiration -Tracheal compression -Bronchiolitis -Reactive airway disease
Differential diagnosis RDS Meconium aspiration Pneumonia Plural effusion Diaphragmatic hernia Lung hypoplasia
Differential diagnosis -RDS -Meconium aspiration -Pneumonia -Plural effusion -Diaphragmatic hernia -Lung hypoplasia