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Mark Klimek Lecture Notes LECTURE 1: Acid Base Balance & Ventilator Interpreting blood gases (remember the rules of the B’s) • If the pH and the bicarb are both in the same direction then it... ’s metaBolic (Bicarb Both Bolic), if they are in different directions then it is respiratory • If bicarb is normal and the pH is low or high then its respiratory • You will be given 8 values for arterial blood gas, always first look at the pH and the bicarb first • You get acidosis and alkalosis from the pH LABS: ABG’s The normal pH is 7.35-7.45 The normal bicarb is 22-26 (the bicarb years where you make all the decisions [22-26 years old], or 2+2+2=6) The normal CO2 is 35-45 (same as pH) Signs and Symptoms with ABG’s • As the pH goes up so does my patient o If the pH goes up, every system in your body gets more irritable/hyperexcitable • As the pH goes down so does my patient o If the pH goes down, systems in your body shut down • Except for potassium- When pH goes down, potassium goes up • If the pH goes up (alkalosis): you will find irritability, hyperreflexia (3&4), tachypnea, tachycardia, borborygmi (increased bowel sounds), seizure (need suctioning at the bed side because they can seize and aspirate) • If pH goes down (acidosis): hyporeflexia, bradycardia, lethargy, obtunded, paralytic ileus, coma, respiratory arrest (need bag-mask ventilation bag at bedside for respiratory arrest), +1 reflexes • MACkussmal- compensatory and respiratory pattern for only acid base disorder: MAC- Metabolic ACidosis [Show More]

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