pg. 1 NUR 170 Exam 4 Latest 2024 Complete 110 Actual Exam Questions with 100% Correct Verified Answers/ Graded A+
Define sinus Brady - Correct Answer - Regular sinus rhythm but at a rate lower than 60.
Define sinus tachy - Correct Answer - Regular sinus rhythm but at a faster rate more than 100.
What are causes of sinus Brady? - Correct Answer - Sleep, athletic, hypothyroidism, vagal stimulation, medications (CCB, BB)
What is the treatment of sinus Brady? - Correct Answer - Correct underlying cause, increase the hr to normal
What are causes of sinus tachy? - Correct Answer - Blood loss, fever, exercise, dehydration, medications (stimulants, illicit drugs, epi), heart failure, hyperthyroidism
What is the treatment of sinus tachy? - Correct Answer - Identify underlying cause, decrease the hr to normal
Define ventricular tachycardia - Correct Answer - Irregular waves; ventricles are quivering; no contraction or cardiac output which can be fatal 1 / 2
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Causes of v-tach - Correct Answer - MI, electrolyte imbalance, dig toxicity, stimulants
Signs and symptoms of v-tach - Correct Answer - Pt is awake, chest pain, lethargy, anxiety, syncope, palpitations
How to treat v-tach if patient has a pulse? - Correct Answer - Oxygen, antidysrhythmics (amioderone stabilizes hr)
How to treat v-tach in a patient with no pulse? - Correct Answer - CPR, defibrillation, drug therapy (epi, amioderone)
Untreated v-tach can lead to what? - Correct Answer - Ventricular fibrillation which can lead to death
Define peripheral vascular disease (atherosclerosis) - Correct Answer - Build up of plaque in the arteries
What are the signs and symptoms of PVD? - Correct Answer - Bruit, decreased pulses or absent, cool extremities, poor cap refill, 6 P's
What causes PVD? - Correct Answer - Smoking, diabetes, high cholesterol, hypertension, sedentary, obesity
What is the treatment for a PVD? - Correct Answer - Elevate legs, medications (aspirin, clopidogrel, statins to lower cholesterol), surgery
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