Learn what tenacious secretions are, why they affect breathing, and how respiratory therapists assess, prevent, and manage them.
Patient Assessment
Ultrasound in Respiratory Care and Bedside Imaging
Learn how ultrasound is used in respiratory care, critical care, lung assessment, cardiac imaging, and bedside procedures.
Continuous Pulse Oximetry for Monitoring Oxygen Saturation
Learn how continuous pulse oximetry monitors SpOâ‚‚, supports oxygen therapy, and helps detect changes in patient oxygenation.
Oxygen Saturation (SpOâ‚‚): What It Means and Why It Matters
Learn what oxygen saturation (SpOâ‚‚) means, how pulse oximetry works, normal ranges, and key limitations in respiratory care.
Sputum Induction: Overview, Procedure, and Key Concepts
Learn how sputum induction works, including indications, procedure steps, safety precautions, and its role in diagnosing lung diseases.
Blood Pressure: Physiology and Clinical Implications
Learn blood pressure basics, including physiology, regulation, causes of hypo and hypertension, and its role in perfusion and patient care.
Transcutaneous Blood Gas Monitoring in Respiratory Care
Learn how transcutaneous blood gas monitoring measures PtcO2 and PtcCO2, its clinical uses, benefits, limitations, and interpretation.
Hyperpnea: Causes, Mechanisms, and Clinical Significance
Learn what hyperpnea is, its causes, mechanisms, and clinical significance, and how it differs from hyperventilation in patient assessment.
Hypoventilation: Causes, Effects, and Clinical Management
Learn about hypoventilation, its causes, symptoms, and effects on CO2, pH, and breathing, plus key clinical management strategies.
Hyperventilation: Causes, Effects, and Clinical Management
Learn about hyperventilation, its causes, symptoms, and effects on CO2, pH, and breathing, plus key clinical management strategies.
Respiratory Rate: Clinical Relevance in Patient Assessment
Learn how respiratory rate reflects ventilation, guides care, and signals early deterioration in patients across clinical settings.
Hypertension: Clinical Assessment in Respiratory Care (2026)
Learn the causes, diagnosis, and management of hypertension, including symptoms, risk factors, and its impact on cardiopulmonary health.
D-Dimer Test: Clinical Interpretation and Diagnostic Use
Learn how the D-dimer test helps rule out pulmonary embolism (PE) and DVT, and when further imaging is needed for diagnosis.
Heart Rate: Physiology and Assessment in Respiratory Care
Learn what heart rate is, normal ranges, causes of tachycardia and bradycardia, and how it impacts oxygen delivery and patient care.
Palpation for Respiratory Assessment and Diagnosis (2026)
Learn how palpation is used in respiratory assessment to evaluate chest expansion, fremitus, tracheal position, and detect abnormalities.
Pulse Oximetry: A Guide to Monitoring Oxygen Saturation
Learn how pulse oximetry works, its clinical uses, normal ranges, limitations, and how to interpret SpOâ‚‚ accurately in patient care.
End-Tidal CO2 Monitoring in Respiratory Care (2026)
Learn how end-tidal CO2 monitoring works and why it’s essential for ventilation management, airway safety, and critical care practice.
Computed Tomography (CT Scan) in Respiratory Care (2026)
Learn how computed tomography works and why it’s essential in respiratory care for diagnosing lung, pleural, and vascular diseases.
Complete Blood Count (CBC): Overview and Practice Questions
Learn what a complete blood count (CBC) measures and why it matters in respiratory care, oxygen delivery, and infection assessment.
Cheyne-Stokes Respiration: Causes and Pathophysiology (2026)
Learn what Cheyne-Stokes respiration is, its causes, clinical significance, and why this breathing pattern matters in respiratory care.