Investigations and Diagnosis Flashcards
Asthma
PEFR
Spirometry
Pulmonary function testing
Response to treatment
COPD
Spirometry
Pulmonary function testing
CXR
Response to bronchodilator (minimal response expected)
ARDS
CXR
Clinical findings
Hypersensitivity Pneumonitis
CXR - Fluffy nodular shadowing
CT - Reticular and nidular changes
PFT
Blood test - IgG, precipitating antibodies
Sarcoidosis
CXR CT FBC Transbronchial biopsy Serum ACE levels PFT
Idiopathic pulmonary fibrosis
CXR CT PFT Blood gases Blood tests
Pleural Effusion
CXR - blunt costophrenic angles CT - benign or malignant Ultrasound Diagnostic aspiration Biopsy
Pneumothorax
Decide if tension
CXR
Establish size
Check if patient is breathless
Pulmonary embolism
V/Q scan Doppler veins CTPA Arterial blood gases Troponin D-dimer ECG CXR
DVT
Clinical diagnosis combined with D-dimer blood test
Ultrasound
Venography
Pulmonary hypertension
CXR - enlargement of pulmonary arteries V/Q scan CTPA ECG Echo cMRI Blood tests Liver ultrasound - excludes cirrhosis PFT
Tonilitis/pharyngitis
Throat swab
Nasal swab
Blood test
Otitis Media
Examination of ear
Epiglottitis
Do not examine throat without tongue depressor!
Direct inspection using laryngoscopy
Croup
Clinical diagnosis by ruling out other conditions