A patient is being admitted to the emergency department with intermittent chest pain. They provide a list of daily medications.
Which medication from the list has the most immediate implications for the patient’s care?
Calcium channel blocker
Phosphodiesterase 5 enzyme inhibitor
Anticoagulant
Loop diuretics
The Correct Answer is B
Choice A rationale
Calcium channel blockers are primarily used to treat hypertension, angina, and certain heart arrhythmias. They work by relaxing the muscles of your heart and blood vessels. While they can affect heart rate and blood pressure, they would not typically have immediate implications for a patient presenting with intermittent chest pain.
Choice B rationale
Phosphodiesterase 5 enzyme inhibitors, such as sildenafil (Viagra), are used to treat erectile dysfunction and pulmonary arterial hypertension. These medications can interact with nitroglycerin, a common medication used to treat chest pain, to cause a severe and life-threatening drop in blood pressure. Therefore, it’s crucial to know if a patient is taking this type of medication when they present with chest pain.
Choice C rationale
Anticoagulants are used to prevent blood clots. If a patient is taking an anticoagulant, it could affect their clotting times and could be important if the patient needs surgery or if the cause of their chest pain is a clot. However, this would not typically have immediate implications for the treatment of chest pain.
Choice D rationale
Loop diuretics are strong diuretics that are used to treat edema and hypertension. They work by preventing your body from absorbing too much salt, allowing the salt to instead be passed in your urine. While important to know for overall patient care, they would not typically have immediate implications for a patient presenting with chest pain.
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Related Questions
Correct Answer is D
Explanation
Choice A rationale
Encouraging exercise to increase heart rate in a patient with myocardial ischemia could potentially worsen the condition. Exercise increases the demand for oxygen in the heart, which may not be met due to the reduced blood flow in ischemia, potentially leading to further damage.
Choice B rationale
Administering a diuretic to decrease volume is not the most beneficial intervention for a patient with myocardial ischemia. While diuretics can reduce the workload of the heart by decreasing blood volume, they do not directly address the issue of reduced blood flow to the heart muscle that characterizes ischemia.
Choice C rationale
Giving an antibiotic to decrease infection is not relevant in this context. Myocardial ischemia is not caused by an infection, but by a reduction in blood flow to the heart muscle, often due to a blockage in one or more of the coronary arteries.
Choice D rationale
Applying oxygen to increase myocardial oxygen supply is the most beneficial intervention for a patient with myocardial ischemia. Oxygen therapy can help to meet the oxygen demand of the heart muscle when blood flow is reduced, alleviating symptoms and preventing further damage.
Correct Answer is D
Explanation
Choice A rationale
Serum hemoglobin of 14.7 g/dL is within the normal range for adults, which is typically 12.0 to
16.0 g/dL for women and 13.5 to 17.5 g/dL for men. Hemoglobin is a protein in red blood cells that carries oxygen throughout the body. While it’s important to monitor hemoglobin levels, a value of 14.7 g/dL does not raise immediate concerns related to hypertension.
Choice B rationale
A blood glucose level of 96 mg/dL is considered normal. The normal range for fasting blood glucose is between 70 and 100 mg/dL1. Blood glucose levels are important to monitor, especially in patients with diabetes, but a value of 96 mg/dL is not immediately concerning in the context of hypertension.
Choice C rationale
A serum potassium level of 4.5 mEq/L is within the normal range, which is typically 3.6 to 5.2 mEq/L1. Potassium is an essential electrolyte that helps regulate heart and muscle contractions and maintain fluid balance in the body. While it’s important to monitor potassium levels, a value of 4.5 mEq/L does not raise immediate concerns related to hypertension.
Choice D rationale
A serum creatinine level of 2.8 mg/dL is high. Creatinine is a waste product that’s produced by your muscles and filtered out of your blood by your kidneys. High levels of creatinine can indicate that the kidneys aren’t working properly, which can be a complication of hypertension. Therefore, this result is the most important to communicate to the healthcare provider.
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