solutions 2024 What is the first thing the nurse should check after assessing the patient's heart rhythm? - Correct Answer Check the patient's pulse
Frequent PACs can lead to which cardiac dysrhythmia? - Correct Answer A fib
What is the half life of adenosine? - Correct Answer 10-15 seconds
What are the rules of adenosine dosage and admin? - Correct Answer -1st dose is 6 mg -If first dose does not work after 1-2 minutes, may give second dose of 12 mg -ALWAYS 20 ml flush
Why are multifocal PVCs more dangerous than unifocal PVCs? - Correct Answer Multifocal PVCs affect multiple areas of the heart, eventually leading to vtach
When are PVCs dangerous? - Correct Answer Frequent PVCs, multifocal, (2 in a row is a couplet) 3+ in a row (run of vtach), R on T
Is asystole normal in chemical cardioversion using adenosine? - Correct Answer YES! It resets the heart after temporarily stopping it.
What common medication can cause prolonged QT? - Correct Answer Benadryl
What dysrhythmias can be cardioverted? - Correct Answer VT with a pulse, A fib, A flutter, SVT
How do you treat sinus bradycardia? - Correct Answer If symptomatic, admin atropine, decrease or stop the use of negative chronotropic drugs, maybe a possible transcutaneous pacemaker, epi, dopamine What causes sinus bradycardia? - Correct Answer -Lower metabolic needs, vagal stimulation, athlete, meds, CAD, idiopathic sinus node dysfunction -watch for lightheadedness, dizziness, hypotension, and confusion
How do you treat sinus tachycardia? - Correct Answer -Treat underlying cause, including pain, anxiety, fever, exercise, hypoxia, MI, pulmonary problems, anemia, hypovolemia, hyperthyroidism, stimulants -BB, CCB, vagal stimulation
How do you treat PACs? - Correct Answer -Treat underlying cause, including stress, stimulants, digoxin toxicity, abnormal mag or potassium, underlying heart disease -BB or CCB -p wave may be found in the t wave
How do you treat A flutter? - Correct Answer Anticoagulants, BB, CCB, ablation, digoxin, cardioversion after TTE
What time frames do you give anticoagulants prior to and after TTE? - Correct Answer 3 weeks before and 4 weeks after
What are some causes of A flutter? - Correct Answer Pulmonary disease, heart disease, hypoxemia, HF, hyperthyroidism
How to treat A fib? - Correct Answer -Anticoagulants, BB, digoxin, ablation, monitor labs, cardiovert after TTE, CCB, amiodarone -loss of atrial kick
What causes A fib? - Correct Answer Pulmonary disease, heart disease, hypoxemia, HF, hyperthyroidism
How to treat SVT? - Correct Answer Vagal stimulation (no carotid massage), adenosine, amiodarone, BB, CCB, cardiovert if unstable