Respiratory Medicine — Flashcards

Flashcard 41: What pCO2 indicates near-fatal acute asthma?

Answer: • pCO2 > 6.0kPa

Flashcard 42: What is the gold-standard investigation for superior vena cava obstruction? _____

Answer: CT thorax with contrast

Flashcard 43: What happens to TLCO in Emphysema?

Answer: • TLCO is reduced • As in emphysema the alveolar walls are destroyed

Flashcard 44: All patients with life-threatening asthma should be?

Answer: • Admitted to hospital

Flashcard 45: What pattern would Emphysema cause on spirometry?

Answer: • Obstructive pattern

Flashcard 46: Pulse in severe asthma?

Answer: • >110BPM

Flashcard 47: What is the target saturation in COPD if CO2 is normal on ABG?

Answer: • 94-98%

Flashcard 48: Example of LAMAs?

Answer: • Tiotropium

Flashcard 49: Examples of LABAs?

Answer: • Formoterol • Salmeterol

Flashcard 50: What is the gold-standard investigation for Mesothelioma?

Answer: Thoracoscopic biopsy (histological)

Extra: Thoracoscopy (VATS) allows for direct visualization and obtaining large tissue samples, which are necessary for the histological subtype and immunohistochemistry required for a definitive diagnosis of mesothelioma.