Arterial Blood Gases Reviewer

Arterial Blood Gases

Type	Causes	Manifestations	Management
Respiratory Acidosis pH<7.35; PaCO2>45	. COPD . Respiratory . Overdose . Atelectasis . Pulmonary edema . Aspiration	. Weakness . Tachycardia . Decreased LOC . Headache	. Assess VS . Monitor . ABG . CPT . TCDB
Respiratory AlkalosispH>7.45; PaCO2<35	. Hyperventilation . Anxiety . Pain . Ventilators	. Lightheadedness . Ringing of the ears . Tingling	. Slow breathing . Paper bag
Metabolic Acidosis pH<7.35; HCO3,22	. DKA . Diarrhea . ASA poisoning . Renal failure	. Headache . N/V . Kussmaul respiration . Dysrhythmias	. Administer sodium bicarbonate . Monitor I/O . Use seizure precautions
Metabolic AlkalosisPH>7.45; HCO3>26	. Vomiting . NGT . Diuretics and Antacids	. Tingling . Dizziness . Bradypnea	. Monitor VS . I/O . ABG

Remember : Respiratory Opposite; Metabolic Equal
Facts : pH = 7.35 – 7.45    PCO2 = 34 – 45    HCO3=22-26

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