Respiratory Acidosis vs. Alkalosis (Acute vs. Chronic) | ABG Interpretation

Learn how to quickly recognize and interpret respiratory acidosis and alkalosis using simple ABG patterns and real clinical examples. 🟥ABG Interpretation [Full Guide] ➜ ➜ ➜ http://bit.ly/2YYavvh 🟧ABG Interpretation [Book] ➜ ➜ ➜ https://amzn.to/3YAnq38 🟦ABG Interpretation [Free Course] ➜ ➜ ➜ https://bit.ly/3WCgjWZ 🟪ABG Practice Questions [Quiz] ➜ ➜ ➜ https://bit.ly/3NkkDZ4 Respiratory acid-base disorders are caused by changes in carbon dioxide (CO₂) levels due to altered ventilation. Respiratory acidosis occurs when hypoventilation leads to CO₂ retention (PaCO₂ greater than 45 mmHg), which increases carbonic acid and lowers blood pH below 7.35. In contrast, respiratory alkalosis results from hyperventilation, causing excessive CO₂ elimination (PaCO₂ less than 35 mmHg) and raising pH above 7.45. The primary mechanism behind respiratory acidosis is inadequate ventilation, which may stem from central nervous system depression (such as opioid overdose), neuromuscular disorders (e.g., Guillain-Barré syndrome), chest wall abnormalities, airway obstruction, or respiratory muscle fatigue. Symptoms vary by onset. Acute cases often present with confusion, dyspnea, and cyanosis, while chronic cases, commonly seen in COPD patients, may appear stable due to renal compensation. The kidneys retain bicarbonate (HCO₃⁻) over time to buffer excess acid, helping normalize pH in chronic conditions. Respiratory alkalosis, on the other hand, is driven by hyperventilation due to factors like anxiety, hypoxemia, fever, sepsis, or mechanical overventilation. Symptoms often include dizziness, tingling, chest tightness, and, in severe cases, seizures. Compensation occurs when the kidneys excrete bicarbonate, lowering pH back toward normal in chronic states. Distinguishing between acute and chronic disorders is essential. Acute conditions show abnormal pH with little to no bicarbonate change, while chronic conditions demonstrate near-normal pH due to renal compensation. For example, a COPD patient may have elevated PaCO₂ with high HCO₃⁻ and a near-normal pH, indicating chronic respiratory acidosis. Clinical interpretation requires context. Similar ABG values can result from different underlying causes, such as COPD exacerbation, panic attacks, neuromuscular failure, pregnancy, or ventilator mismanagement. Treatment focuses on correcting the underlying issue. Respiratory acidosis often requires ventilatory support, while respiratory alkalosis may involve addressing anxiety, hypoxemia, or adjusting ventilator settings. Ultimately, accurate ABG interpretation depends on recognizing patterns, assessing compensation, and correlating findings with the patient’s clinical presentation. 🟥ABG Interpretation [Full Guide] ➜ ➜ ➜ http://bit.ly/2YYavvh 🟧ABG Interpretation [Book] ➜ ➜ ➜ https://amzn.to/3YAnq38 🟦ABG Interpretation [Free Course] ➜ ➜ ➜ https://bit.ly/3WCgjWZ 🟪ABG Practice Questions [Quiz] ➜ ➜ ➜ https://bit.ly/3NkkDZ4 ————— 📘 FREE STUFF ▪ Free Cheat Sheets 👉 https://bit.ly/3IKenWk ▪ TMC Practice Exam 👉 http://bit.ly/2XlwASL 📗 PASS THE BOARD EXAMS ▪ CSE Boost Course 👉 https://bit.ly/3VBwSB2 ▪ TMC Test Bank 👉 https://bit.ly/3QNqwLX ▪ TMC Exam Hacks 👉 https://bit.ly/3iLmVS2 ▪ Daily TMC Practice Questions 👉 https://bit.ly/4cYnOxl ▪ TMC/CSE Bundle (Save $) 👉 https://bit.ly/3VLSyuo 📕 MORE FROM RTZ ▪ Test Bank (Free) 👉 http://bit.ly/2Kp73ln ▪ Glossary 👉 https://bit.ly/3g6s4Pj ▪ About Us 👉 http://bit.ly/2Xgk5YH ▪ Testimonials 👉 http://bit.ly/2x7b5Gl 🌐FOLLOW US ▪ Instagram 👉 http://bit.ly/2FhF0jV ▪ X 👉 http://bit.ly/2ZsS6T1 ▪ Facebook 👉 http://bit.ly/2MSEejt 🚑MEDICAL DISCLAIMER This content is for educational and informational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Please consult with a physician with any questions that you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you watch in this video. We strive for 100% accuracy, but errors may occur, and medications, protocols, and treatment methods may change over time. 💡AFFILIATE DISCLAIMER This description contains affiliate links. If you decide to purchase a product through one of them, we receive a small commission at no cost to you. ————— ⏰TIMESTAMPS 0:00 - Respiratory Acidosis 4:42 - Respiratory Alkalosis 9:17 - Acute vs. Chronic 13:30 - Clinical Scenarios ————— 🖼CREDIT FOR MUSIC AND GRAPHICS: ▪ Music licensed from Audiojungle.net/ ▪ Graphics: Canva.com, Freevector.com, Vecteezy.com, and Pngtree.com #abginterpretation #respiratorytherapy #arterialbloodgas