Respiratory Flashcards
Patient with PMH of Hodgkin’s disease that was cured with chemo/radiation has a nodule in the lung what is the cause? (No fever, chills)
Secondary malignancy.
Patient with pneumonia admitted to the hospital with possible sepsis is at risk to develop…
ARDS - to differentiate with cariogenic pulmonary edema do a PCWP. The PCWP is normal in ARDS.
What are possible structures in the middle mediastinum?
Bronchogenic cyst, tracheal tumors, pericaldial cysts, lymphomas, and aortic aneurysms
Anterior mediastinum
Thymoma, tretrosternal thyroid, teratoma, and lymphoma
Which lab test on the pleural fluid will determine chest tube placement in parapneumonic effusion?
Pleural fluid pH. it if is low <60 is also indicative of drainage.
What are indicators of severe asthma attacks?
normal to increased Pco2, speech difficulty, diaphoresis, altered sensorium, cyanosis, and ‘silent’ lungs
Raynaud phenomenon, skin thickening, telangiectasia, heartburn, HTN?
Systemic sclerosis. Also prone to pulmonary fibrosis.
What parameter is a good measure for ventilation?
arterial Pco2, affected mainly by respiratory rate and tidal volume.
What parameter measures oxygenation?
arterial pO2 influenced mainly by FiO2 and PEEP.
What is light’s criteria for pleural fluids?
exudative if the fluid protein/serium protein ratio >0.5, fluid LDH/serum LDH>0.6.
What is the next step in management in a patient with possible allergic rhinitis that doesn’t resolve with OTC anti-allergy medications?
nasal smear for eosinophils
What effect do glucocorticoids have on the white blood cells?
Decrease eosinophils but sharp increase (leukocytosis) in neutrophils
What are the findings in chronic bronchitis?
decreased FEV1/FVC ratio, but normal DLCO. decreased DLCO favors emphysema
Patient with a history of constitutional symptoms and cough has an x-ray lesion that also moves upon changing position…
Aspergilloma
Severe obesity and alveolar hypoventilation during wakefulness…
Obesity Hypoventilation Syndrome (Pickwickian dynrome)