VN 22 Test 6 Flashcards
- ABG interpretation
PH: 7.35-7.45 (7.4 is neutral)
PaCO2: 45-35
HCO3:22-26
- Nursing actions post ABG draw
Apply pressure to the puncture site for 3-5minutes
- When are ABG drawn
A good indicator of oxygenation status
- Causes: Respiratory Acidosis
Decreased or no respirations
• COPD
• Overdose
• Pneumonia
• Smoke inhalation
• Pneumothorax
• Airway obstruction
- Causes: Respiratory Alkalosis
Shock, Kussmaul’s Respirations: Deep and FAST breathing
(The body is trying to compensate for its metabolic acidosis by producing a respiratory alkalosis on purpose)
• Anxiety
• Pain
• Fever
• Hypotension
• Hypoxia
• CHF
• PE
• Sepsis
• Salicylate overdose
- Causes: Metabolic Acidosis
• Cardiac arrest
• Renal failure
• DKA
• Diarrhea for a long time
• ASA or Antifreeze overdose
- Causes: Metabolic Alkalosis
• Excessive bicarbonate-containing drugs
• Diuretic therapy
• Vomiting
• Naso-gastric suctioning
• Nausea
- Manifestations: Respiratory Acidosis
• Altered Level of Consciousness
• Diaphoresis
• Headache
• Warm flushed skin
• Dizziness
- Manifestations: Respiratory Alkalosis
• Hyperventilation
• Numbness/tingling toes
• Seizures
• Respiration rate greater than 20
• Decrease potassium
• Tachycardia
- Manifestations: Metabolic Acidosis
• Kussmaul’s respirations
• Warm flushed skin
• Tachycardia
• Hypotension
• Tachypnea
• Confusion or coma
• Headache
- Manifestations: Metabolic Alkalosis
• Bradypnea
• Tachycardia
• Hypotension
• Muscle weakness
• Fatigue