Which findings are consistent with early compensated septic shock in a child?
Decreased urine output.
Cool extremities.
Normal blood pressure.
Tachycardia.
Correct Answer : C,D
Choice A rationale
Decreased urine output (oliguria, typically <1 mL/kg/hour in a child) is a sign of poor renal perfusion due to reduced cardiac output and is characteristic of later, decompensated shock. In early, compensated septic shock, systemic vascular resistance (SVR) is often reduced (warm shock), and the compensatory mechanisms may still maintain adequate renal blood flow and normal urine output.
Choice B rationale
Cool extremities result from intense peripheral vasoconstriction as a compensatory mechanism to shunt blood to vital organs. This is characteristic of hypovolemic or cold septic shock (high SVR). However, in the more common early warm septic shock in children, peripheral vasodilation (low SVR) leads to flushed, warm extremities, not cool ones.
Choice C rationale
Normal blood pressure (BP) (systolic BP within the normal range, which varies by age, e.g., >90 mmHg in a school-aged child) is the hallmark of compensated shock. Compensatory mechanisms, primarily tachycardia and mild vasoconstriction, are successfully maintaining cardiac output and thus adequate mean arterial pressure, despite underlying circulatory dysfunction.
Choice D rationale
Tachycardia (elevated heart rate, normal range varies by age, e.g., >130 bpm in a toddler) is one of the earliest and most reliable signs of all forms of shock in children. It represents a critical cardiovascular compensatory mechanism to increase cardiac output (Cardiac Output = Stroke Volume×Heart Rate) in response to systemic vasodilation and early hypovolemia characteristic of sepsis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
During a tonic-clonic seizure, loss of consciousness and uncontrolled muscle movements carry a high risk of aspiration if the child vomits or has excessive oral secretions. Turning the child to the side (recovery position) allows gravity to drain secretions and prevents the tongue from obstructing the posterior pharynx, which is the most critical immediate safety intervention.
Choice B rationale
While benzodiazepines (like rectal or intranasal diazepam or midazolam) are used to stop seizures, this is done via a non-oral route as the child is typically unconscious and unable to safely swallow during a seizure, posing a severe aspiration risk. Oral administration is contraindicated during the acute seizure event itself.
Choice C rationale
Inserting a tongue blade or any object into the mouth during a seizure is strictly contraindicated. The child's jaw may clamp down forcefully, causing injury to the child's teeth, gums, or jaw, or causing the object to break and obstruct the airway, leading to far more harm than benefit.
Choice D rationale
Restraining the child during a seizure is inappropriate and dangerous. The forceful muscle contractions can cause injury (fractures or dislocations) if movement is restricted against the convulsive forces. The nurse's role is to clear the area and protect the head and limbs from striking hard objects.
Correct Answer is D
Explanation
Choice A rationale
An oxygen saturation of 88.
Choice B rationale
Bounding peripheral pulses are a classic finding in Patent Ductus Arteriosus (PDA) due to the wide pulse pressure, which results from the run-off of blood from the aorta back into the pulmonary artery during diastole. This finding supports the diagnosis but is not typically the most concerning indicator of impending decompensation.
Choice C rationale
The machinery-like murmur is the pathognomonic sign of a Patent Ductus Arteriosus, caused by continuous blood flow from the high-pressure aorta to the low-pressure pulmonary artery. This is an expected diagnostic finding for PDA, confirming the presence of the defect, but it is not an indicator of acute distress.
Choice D rationale
A respiratory rate of 60 breaths per minute in a 2-month-old infant is a significant indicator of tachypnea and potential respiratory distress, likely due to pulmonary overcirculation and the resulting congestive heart failure (CHF) caused by the PDA. This elevated rate signals a critical effort to compensate for decreased pulmonary compliance and is the most immediate concern.
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