Final answer:
The final component of Reynold's pentad suggestive of severe cholangitis is hypotension.
Step-by-step explanation:
The final component of Reynold's pentad, a clinical sign suggestive of severe cholangitis, is d) Hypotension.
The pentad of Reynold's describes a set of clinical signs indicating severe cholangitis, which is inflammation of the bile ducts. The five components of Reynold's pentad are fever, jaundice (yellowing of the skin and eyes), right upper quadrant pain, altered mental status, and hypotension.
Hypotension, or low blood pressure, is an important indicator of severe cholangitis and can be a life-threatening condition that requires immediate medical attention.