An 18-month-old is tachycardic at 178 beats/min, has cool mottled extremities with a capillary refill of 4 seconds, and is irritable but responsive to voice. Blood pressure is 86/54 mmHg, which is within the lower-normal range for age. This presentation BEST fits:
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CRespiratory failure with secondary cardiovascular compromise
DDecompensated (hypotensive) shock
✓ Correct answer: B. Compensated shockCompensated shock describes a state in which compensatory mechanisms (tachycardia, vasoconstriction) maintain blood pressure within an acceptable range despite signs of poor peripheral perfusion such as cool extremities, prolonged capillary refill, and tachycardia.
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Theory