Learn what oxygen saturation (SpOâ‚‚) means, how pulse oximetry works, normal ranges, and key limitations in respiratory care.
Patient Assessment
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.
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.
Chest Radiograph (X-Ray): Overview and Practice Questions
Learn what a chest radiograph (x-ray) is and why it’s essential for respiratory therapists in diagnosing and managing lung conditions.
Chest Percussion: Clinical Importance in Respiratory Care
Learn what chest percussion is, how it’s performed, and how percussion sounds help identify lung and pleural abnormalities.
Vital Signs: Overview and Practice Questions (2026)
Learn what vital signs are, the different types, and why they are essential for patient assessment and respiratory care.
How to Perform a Patient Assessment: An Overview (2026)
Learn how to perform a patient assessment in respiratory care with step-by-step guidance on evaluation and clinical care planning.
Lung Sounds: Types and Causes During Auscultation (2026)
Learn the types of lung sounds, what causes them, and how auscultation helps identify respiratory conditions early and accurately.