A 75-year-old male experiences severe chest pain and calls 911.
Given that lab findings indicate elevated levels of cardiac troponins I and T, what condition does the nurse suspect?
Orthostatic hypotension.
Raynaud disease.
Angina.
Myocardial infarction (MI).
The Correct Answer is D
Choice A rationale
Orthostatic hypotension, a form of low blood pressure that happens when you stand up from sitting or lying down, would not typically cause severe chest pain or result in elevated levels of cardiac troponins I and T6.
Choice B rationale
Raynaud’s disease, a condition that causes some areas of your body — such as your fingers and toes — to feel numb and cold in response to cold temperatures or stress, would not typically cause severe chest pain or result in elevated levels of cardiac troponins I and T6.
Choice C rationale
Angina, a type of chest pain caused by reduced blood flow to the heart, could cause severe chest pain, but it would not typically result in elevated levels of cardiac troponins I and T6. Elevated troponin levels are more indicative of damage to the heart muscle, which is not characteristic of angina.
Choice D rationale
A myocardial infarction (MI), also known as a heart attack, could cause severe chest pain and would typically result in elevated levels of cardiac troponins I and T7. Troponins are proteins found in the heart muscle, and levels can rise in the blood when there is damage to the heart, such as during an MI.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Idiopathic vasospasm, or spontaneous constriction of the blood vessels, can cause myocardial ischemia. However, this is a relatively rare cause compared to atherosclerosis.
Choice B rationale
Atherosclerosis, a condition characterized by the buildup of fatty plaques in the arteries, is the most common cause of myocardial ischemia. These plaques can restrict blood flow to the heart muscle, leading to ischemia.
Choice C rationale
Venous emboli, or blood clots that form in the veins, typically do not cause myocardial ischemia. These clots are more likely to cause problems in the lungs (pulmonary embolism) if they travel through the bloodstream.
Choice D rationale
Arterial emboli from a heart valve can cause myocardial ischemia, but this is less common than atherosclerosis. These emboli, or blood clots, can block blood flow to the heart muscle if they travel through the bloodstream.
Correct Answer is C
Explanation
Choice A rationale
A Ventricular Septal Defect (VSD) is a hole in the wall separating the two lower chambers of the heart. While it can cause cyanosis, it’s typically not associated with cyanosis during crying or feeding.
Choice B rationale
An Atrioventricular Canal (AVC) defect is a combination of heart problems resulting in a defect in the center of the heart. While it can cause cyanosis, it’s typically not associated with cyanosis during crying or feeding.
Choice C rationale
Tetralogy of Fallot is a congenital heart condition characterized by four anatomical abnormalities of the heart. It is the most common cyanotic heart defect and the most common cause of blue baby syndrome. Cyanosis, which is caused by a lack of oxygen in the blood, is often seen during periods of activity, such as feeding or crying.
Choice D rationale
An Atrial Septal Defect (ASD) is a hole in the wall between the two upper chambers of your heart (atria). While it can cause cyanosis, it’s typically not associated with cyanosis during crying or feeding.
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