Respiratory Flashcards
A patient’s chest is stony dull to percussion. What is this a sign of?
Pleural effusion
A patient presents with right sided pleuritic chest pain. What’s the most likely diagnosis?
Pneumonia
What are the common signs of pulmonary edema?
Alveolar bat’s wings Kerley B lines Cardiomegaly Dilated prominent upper lobe Pleural effusion
What is a ground-glass appearance on X-ray a sign of?
Pulmonary fibrosis
Or
Respiratory distress syndrome of a newborn
A Ziehl-Neelsen stain is positive for an acid fast bacilli. Which disease does this indicate?
TB
Caseous necrosis is indicative of which respiratory disease?
TB
What is apical disease a sign of?
Most likely secondary TB
An apical lesion is called an Assmann focus
What is miliary tuberculosis?
The spread of mycobacterium tuberculosis through the bloodstream
If the organism spreads via the pulmonary artery, military dissemination into the lung occurs
If the organism spreads via the pulmonary vein, there is systemic dissemination to the liver, spleen and kidneys
A patient has positive anti-glomerular basement membrane antibodies. What is the likely diagnosis?
Goodpasture syndrome (GPS)
A rare autoimmune disease in which antibodies attack the basement membrane in lungs and kidneys, leading to bleeding from the lungs and kidney failure.
A patient presents with a chest infection and mentions he has pet parrots/pigeons. Which organism has caused his infection?
Chlamydophilla psittaci
A patient presents with a dry cough and diarrhoea after a holiday abroad. Which organism is the most likely cause of this?
Legionella pneumophila
How do you confirm that a patient has been infected by legionella pneumophila?
Test urine for antigens
A tall, thin, young man who indulges in marijuana comes in with acute onset shortness of breath. What is the likely diagnosis?
Pneumothorax
Common in Marfan’s syndrome
What are the most common signs and symptoms of sarcoidosis?
Bilateral hilarity lymphadenopathy Erythema nodosum Granulomas Fatigue Uveitis Weight loss
A CT shows bronchioles wider than neighboring arterioles (signet ring sign). What is the diagnosis?
Bronchiectasis
There is a D sign on an X-ray. What does this indicate?
Empyema
There is a steeple sign on an X-ray. What is the likely diagnosis?
Laryngotracheocronchitis
Croup
A child comes in with a barking cough. What is the most likely diagnosis?
Croup
In which patients is pneumocystis pneumonia likely to occur?
Patients with a lowered immune system such as patients with HIV
How do you treat pneumocystis pneumonia?
Co-tramoxazole
+ prednisolone if severe
What is Samter’s triad?
Also known as aspirin exacerbated respiratory disease
Asthma
Nasal polyps
Salicylate sensitivity (such as NSAIDs or aspirin)
Klebsiella pneumoniae is common in who?
Alcoholics
A patient presents with red jelly sputum. Which organism is this patient likely to be infected by?
Klebsiella pneumoniae
What is mucous sputum a sign of?
Chlamydia psittaci