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Decerebrate Posturing
An abnormal extension response (arms and legs extended, head arched backward) indicating severe damage to the brainstem, often associated with poor prognosis.
Herniation Syndrome
Displacement of brain tissue due to increased ICP, such as uncal or central herniation, leading to life-threatening neurological deterioration.
Hyperosmolar Hyperglycemic State (HHS)
A life-threatening complication of diabetes mellitus marked by extreme hyperglycemia, hyperosmolarity, and dehydration without significant ketosis.
Pheochromocytoma
A rare adrenal tumor that secretes excessive catecholamines, causing episodic hypertension, tachycardia, and diaphoresis.
Adrenal Insufficiency (Addisonian Crisis)
An acute deficiency of cortisol and aldosterone leading to hypotension, electrolyte imbalance, and shock—requiring urgent management.
Diabetes Insipidus (DI)
A disorder characterized by deficiency of antidiuretic hormone or renal resistance to it, resulting in excessive dilute urine output and risk of severe dehydrat
