What are the most common complications of myocardial infarction? (Select all that apply)
(Select All that Apply.)
Percutaneous coronary intervention
Sudden death
Dysrhythmias
Congestive hearts failure
Correct Answer : B,C,D
A. Percutaneous coronary intervention: Percutaneous coronary intervention (PCI) is a treatment used to open blocked coronary arteries during a myocardial infarction but is not a complication of the event itself. It is a therapeutic procedure aimed at restoring blood flow and is not a direct consequence of myocardial infarction.
B. Sudden death: Sudden death can occur as a complication of myocardial infarction due to severe dysrhythmias or cardiac arrest resulting from electrical instability in the heart. This complication is critical and can occur shortly after the onset of an MI or during recovery.
C. Dysrhythmias: Dysrhythmias are common complications following myocardial infarction, often arising from ischemic damage to the heart muscle, which disrupts the normal electrical conduction pathways. These irregular heartbeats can range from benign to life-threatening.
D. Congestive heart failure: Congestive heart failure can develop as a complication of myocardial infarction due to the loss of functional cardiac muscle, resulting in decreased cardiac output and the heart's inability to pump effectively. This complication can develop acutely or progressively over time following an MI.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Carotid wall thinness: Carotid wall thinness is not considered a nontraditional risk factor for coronary artery disease (CAD). Traditional risk factors for CAD include age, gender, hypertension, hyperlipidemia, and smoking, while carotid wall thickness (rather than thinness) is often used as a marker for atherosclerosis and cardiovascular risk.
B. Chronic kidney disease: Chronic kidney disease (CKD) is recognized as a nontraditional risk factor for coronary artery disease. It is associated with increased cardiovascular risk due to factors like inflammation, mineral metabolism disorders, and increased vascular stiffness.
C. Coronary artery calcification: Coronary artery calcification is considered a nontraditional risk factor for CAD. It reflects the presence of atherosclerosis and is associated with an increased risk of cardiovascular events.
D. Markers of inflammation, ischemia, and thrombosis: Markers of inflammation (such as C-reactive protein), ischemia, and thrombosis (such as fibrinogen and D-dimer) are nontraditional risk factors for coronary artery disease. Elevated levels of these markers indicate increased cardiovascular risk and are used in risk stratification.
Correct Answer is A
Explanation
A. Antibody production against the offending fungi is delayed by the patient's age and the virulence of the organism: In older adults, the immune response may be slower or less effective due to age-related changes in the immune system. The virulence of Histoplasma capsulatum can also contribute to the severity of the infection, making it more difficult for the immune system to mount an effective response quickly, which explains the symptoms of fever, nausea, and vomiting.
B. Macrophages are able to remove the offending fungi from the bloodstream but can't destroy them: While macrophages play a crucial role in the immune response to fungi, in the case of histoplasmosis, they often engulf the fungi but may struggle to completely eradicate them, especially in immunocompromised individuals or the elderly. However, this option does not fully explain the delayed symptoms associated with the patient's age and the organism's virulence.
C. Spore inhalation initiates an autoimmune response that produces the associated symptoms: Histoplasmosis is caused by inhaling spores of Histoplasma capsulatum, but the symptoms are not the result of an autoimmune response. Instead, the immune system's attempt to combat the infection leads to the clinical manifestations, not an autoimmune process.
D. Toxin production by Histoplasma capsulatum is triggering an immune response: Histoplasma capsulatum does not produce toxins that directly trigger an immune response. Instead, the immune response is primarily due to the presence of the fungi themselves and the inflammatory response they provoke, which leads to the associated symptoms of the infection.
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