The nurse is reviewing the chart of a patient with acute dec…

The nurse is reviewing the chart of a patient with acute decompensated heart failure (heart failure exacerbation). After interpreting the lab results, the nurse determines   Lab Test Results- Admission Results- Day 4 of Hospitalization Normal Range White Blood Cell Count 13,000/mm3 11,000/mm3 4,000-11,000/mm3 Hemoglobin 14 g/dL 14.1 g/dL Males: 13.5-17.5 g/dL Females: 12.0-16.0 g/dL Hematocrit 42% 42% Males: 41-53% Females 36-46% Platelets 156,000/mL 148,000/mL 150,000-450,000/mL Sodium 142 mEq/L 140 mEq/L 135-145 mEq/L Potassium 5.4 mEq/L 3.3 mEq/L 3.5-5.0 mEq/L Chloride 104 mEq/L 102 mEq/L 96-106 mEq/L BUN 35 mg/dL 21 mg/dL 6-20 mg/dL Creatinine 2.1 mg/dL 1.3 mg/dL 0.6-1.3 mg/dL BNP 678 pg/mL 187 pg/mL

A nurse is assessing a 65-year-old patient who presented wit…

A nurse is assessing a 65-year-old patient who presented with palpitations, dizziness, and a “racing heart”. The ECG rhythm strip of the patient below shows a rapid, atrial rate of 210 beats per minute with a “sawtooth” p wave pattern between QRS complexes. The nurse understands that this rhythm is called