During a stress test on a treadmill, which observation by the nurse would necessitate immediate action?

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.

Choice A rationale
Bradycardia, palpitations, confusion, and truncal rash are not typically associated with septic shock. Septic shock is a severe infection that occurs when bacteria enter the bloodstream. It can cause organs to fail and can lead to death.
Choice B rationale
Severe respiratory distress, jugular venous distention, and chest pain are more commonly associated with conditions like heart failure or pulmonary embolism, not septic shock.
Choice C rationale
Low blood pressure and tachycardia are common symptoms of septic shock. This happens because the body’s response to the infection causes blood vessels to dilate, which can lower blood pressure. The heart rate often increases (tachycardia) in an attempt to maintain blood flow to the organs.
Choice D rationale
Reduced cardiac output, increased systemic vascular resistance, and a moist cough are not typical symptoms of septic shock. These symptoms are more commonly associated with conditions like heart failure.