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Chapter 6

Diagnostic Studies of Respiratory System

Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture
Sputum Studies I: Gram Stain, cytology, and Acid-fast smear and culture
Sputum studies are key in diagnosing respiratory issues, identifying pathogens, and detecting cancer cells. The three crucial sputum studies include Gram ...
Sputum Studies II: Culture and Sensitivity
Sputum Studies II: Culture and Sensitivity
Sputum culture and sensitivity tests identify respiratory bacterial infections, identifying pathogens such as Streptococcus or Staphylococcus aureus. All ...
Radiological Investigation I: X-ray and CT
Radiological Investigation I: X-ray and CT
Chest X-rays capture images of the chest, heart, lungs, and blood vessels to screen and diagnose respiratory issues. They detect abnormalities like fluid, ...
Radiological Investigation II: MRI and Ventilation Perfusion Scan
Radiological Investigation II: MRI and Ventilation Perfusion Scan
Magnetic Resonance Imaging or MRI uses magnetic fields and radio waves to obtain detailed images of the lung that help diagnose conditions like pulmonary ...
Radiological Investigation III: Pulmonary Angiogram and PET Scan
Radiological Investigation III: Pulmonary Angiogram and PET Scan
A pulmonary angiogram is an invasive procedure where a catheter is inserted through a femoral vein and threaded through the right side of the heart into ...
Endoscopic Studies I: Bronchoscopy and Thoracoscopy
Endoscopic Studies I: Bronchoscopy and Thoracoscopy
Bronchoscopy is a diagnostic procedure that visualizes the larynx, trachea, and bronchi. Diagnostic bronchoscopy enables the visualization and assessment ...
Endoscopic Studies II: Thoracocentesis
Endoscopic Studies II: Thoracocentesis
Thoracocentesis, also known as thoracentesis or pleural tap, involves inserting a large-bore needle through the chest wall into the pleural space using ...
Blood Studies I: ABG and VBG
Blood Studies I: ABG and VBG
Arterial Blood Gas, or ABG, studies are vital for assessing lung function in oxygen delivery and carbon dioxide removal, reflecting ventilation status. It ...
Pulmonary Function Tests
Pulmonary Function Tests
Pulmonary Function Tests, or PFT, are diagnostic tools that use a spirometer to measure lung volumes and airflow, recording the amount and rate of air a ...
Pulse Oximetry
Pulse Oximetry
Pulse oximetry is a non-invasive method for continuously monitoring the oxygen saturation or SpO2. Average SpO2 values are above 95%. Readings below 90% ...
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