A 73-year-old man with Systolic congestive heart failure (CHF) with reduced ejection fraction (HFrEF) comes to a clinic complaining of shortness of breath. He is currently taking 6.25 mg carvedilol (Coreg) twice a day and 50 mg losartan (Cozaar) and 20 mg furosemide (Lasix) daily. His oxygen saturation is 95%, and he has a pulse of 64. His BP is 138/82, and his BNP is 1150. {Ans: Stop angiotensin receptor blockers (ARB) and add sacubitril/valsartan (Entresto) Entresto (ARNI) for severe CHF}A 29 yo pregnant patient presents with a pulmonary embolus (PE). Which medication should the nurse anticipate giving? {Ans: Unfractionated heparin}Which diagnostic test is appropriate to order for this patient? {Ans: Ultrasound}Ondansetron should be avoided in which of the following patients? {Ans: A 52-year-old male with history of prolonged QT syndrome. A 74-year-old male with chronic renal failure admitted for electrolyte balance following dialysis. A 32-year-old admitted for acute intoxication of methadone. Ondansetron is contraindicated or with caution in those with prolonged QT syndrome, heart failure, electrolyte imbalance, or while taking other medications known to cause prolonged QT such as methadone.}A six-month-old female infant with failure to thrive comes in to the office with her parents.