The nurse teaches a student nurse about diagnostic studies used for acute coronary syndrome. Which statement made by the student nurse indicates effective learning?

Chronic kidney disease (CKD) is a condition where the kidneys are damaged or unable to filter blood effectively over time, leading to a gradual loss of kidney function. Several risk factors can increase the likelihood of developing CKD, and among them, diabetes and hypertension are the most common.

Diabetes is a significant risk factor for developing CKD. It can cause damage to the small blood vessels in the kidneys, impairing their ability to filter waste and fluid from the blood properly. Native Americans, along with other racial and ethnic minorities, are at a higher risk of developing diabetes compared to the general population.

While hypertension (high blood pressure) is also a risk factor for CKD, diabetes carries a higher risk. However, it's important to note that hypertension is often a comorbidity associated with CKD and can further worsen kidney function when present.

The other options listed (a 50-year-old white female with hypertension, a 40-year-old Hispanic female with cardiovascular disease, and a 28-year-old African American female with a urinary tract infection) are also at risk for CKD, but the 61-year-old Native American male with diabetes is at the highest risk based on the information provided. All patients should be educated about preventive measures to protect their kidney health, but special attention should be given to individuals with diabetes due to its significant impact on kidney function.

ST-segment elevation on an electrocardiogram (ECG) is a critical finding and should be reported rapidly to the health care provider. It is a hallmark ECG change seen in myocardial infarction (heart attack). When there is myocardial ischemia or injury (such as in a heart attack), the ST segment

elevates above the baseline in the affected leads of the ECG. This elevation indicates that there is an ongoing loss of oxygen and blood supply to a part of the heart muscle.

ST-segment elevation is a medical emergency because it suggests acute coronary syndrome (ACS), which can rapidly progress to a myocardial infarction if not promptly treated. Immediate intervention is needed to restore blood flow to the affected coronary artery and prevent further damage to the heart muscle.

The other options listed (A) First-degree atrioventricular block, (B) Inverted P wave, and (C) Sinus tachycardia, while significant in some situations, do not have the same urgency as ST-segment elevation in the context of chest pain. They may require medical attention, but they do not typically indicate an acute myocardial infarction or an immediate life-threatening condition. ST-segment elevation is a critical finding that requires rapid intervention to preserve heart muscle function and prevent complications.