A client who had surgery yesterday is becoming increasingly anxious. The client respiratory rate has increase to 38 breath per minutes. The client has a nasogastric tube low intermittent suction with...

A client who had surgery yesterday is becoming increasingly anxious. The client respiratory rate has increase to 38 breath per minutes. The client has a nasogastric tube low intermittent suction with 500 mL of yellow green drainage over last 4 hours. The client ABCs indicated a decrease of CO2 and increase of pH. Which serum lab value should the nurse monitor first?

1. Creatinine


2. Electrolytes


3. Platelet count


4. Albumin