Pulmonology Flashcards
What type of lung disease is assessed by FEV1 and FEV1/FVC ratio?
Obstructive
What is the diagnostic value of FEV1/FVC for obstructive lung disease?
< 0.7
Which type of lung disease has a concave scooping in the lung tracing in the latter half of expiration?
Obstructive
When is a bronchoprovocation challenge indicated?
Patient with initial normal spirometry testing
What are the the three factors that cause variation in the oxyhemoglobin dissociation curve?
Temperature
Acidosis (pH)
Phosphorus (2,3-DPG)
What is the treatment of methemoglobinemia?
100% O2
Methylene blue
What is the most common cause of stridor in the newborn?
Laryngomalacia
Which nerve is affected in vocal cord paralysis?
Recurrent laryngeal nerve
What genetic syndrome would you be worried about with the finding of laryngeal webs?
DiGeorge syndrome
What condition would you suspect in a newborn where trachea cannot be intubated even though larynx is visualized?
Tracheal agenesis
Which lobe is typically involved with lobar emphysema?
Left upper lobe
What is Scimitar Syndrome
Congenital Pulmonary Venolobar Syndrome
- Pulmonary venous blood from R lung returns to IVC
What type of shunt is Scimitar Syndrome?
L to R shunt
What is the most common cause of pulmonary arteriovenous malformations?
Hereditary hemorrhagic telangiectasia (HHT)
OR Osler Weber Rendu syndrome
What are the two classifications of pulmonary sequestrations?
Intralobar and extralobar
Are intralobar pulmonary sequestrations typically in the upper or lower lobes of the lungs?
Lower lobes
Are extralobar pulmonary sequestrations on the R or L side typically?
L side
What is the treatment of choice of pulmonary sequestrations?
Surgical removal