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Use the previous scenario to answer the following question. The assessment piece that you identified to be the priority indicator of decreased cardiac function is most likely the result from:

The portion of the pacemaker that powers the device is the:

True or False.  Electromagnetic interference is the MOST common form of pacemaker malfunction.

The next most available person to the operator whose patient is experiencing an emergency is responsible for:

An IV bag originally contained 1,000 mL to infuse over 10 hours. After 4 hours, 600 mL remains. What pump rate will complete the infusion on time?

An order states: heparin 7,500 units SQ. Available concentration is 10,000 units per mL. How many mL should be administered?

Nitroglycerin is indicated for all of the following emergencies EXCEPT:

Red, painful skin without blistering following thermal exposure indicates which burn depth?

True or False.  Administration of a corticosteroid is indicated for the prevention of a recurrence of an anaphylactic reaction.

A 76-year-old patient with heart failure and chronic atrial fibrillation is receiving Digoxin 0.125 mg daily and Furosemide 40 mg twice daily. The nurse assesses the patient and notes the following: Heart rate: 48 bpm Blood pressure: 94/60 mmHg Potassium level: 3.0 mEq/L Digoxin level: 2.6 ng/mL The patient reports nausea and seeing “yellow halos” around lights Telemetry shows frequent premature ventricular contractions (PVCs) Which action should the nurse take first?