Nr 565 Midterm Already Passed

What is the clinical significance of being an ultra-rapid CYP2D6 metabolizer? {Ans: People who are ultra-rapid metabolizers have high activity of CYP2D6 enzymes that break down certain medicines rapidly and are likely to need different doses or even a different medicine. Drug dose, response, and toxicity risk of beta-blockers, antidepressants, antiarrhythmics, and opioid analgesics are dependent on CYP2D6 pharmacogenetics (Ayazseven et al., 2020). Knowing the result of the CYP2D6 test and which group the patient falls into such as poor metabolizers, intermediate metabolizers, or ultra-rapid metabolizers, will help nurse practitioners prescribe the right medication and dosage for the patient.}Key points: {Ans: For a patient who has a co-morbidity that can be treated with a BB, it is an ideal choice (e.g. essential tremor, migraine prophylaxis, arrhythmia, CAD, symptomatic HF with reduced EF-along w/ACEI if they have HF)}What are potential adverse effects associated with BBs according to the text? What lab abnormalities can occur? {Ans: According to the text, there are several potential adverse effects for beta blockers (BB's), and the text classifies them according to each body system, which I will outline for discussion purposes here as well. For the CV system, BB's can cause hypotension, bradycardia,