Which of the following symptoms might indicate that the patient is now experiencing a thyrotoxic crisis following the diagnosis of Graves' disease?

A. Tetany of the hands with a positive Chvostek sign: Tetany and a positive Chvostek sign are more associated with hypocalcemia rather than Hashimoto's thyroiditis.

B. Polyuria, sweating, and dry mucous membranes: These symptoms are more indicative of hyperthyroidism or diabetes rather than hypothyroidism, which is characteristic of Hashimoto's thyroiditis.

C. Forgetfulness, depression, and anemia: Hashimoto's thyroiditis, which causes hypothyroidism, can lead to symptoms like forgetfulness, depression, and anemia due to reduced thyroid hormone levels.

D. Nervousness, irritability, and diarrhea: These symptoms are associated with hyperthyroidism rather than hypothyroidism.

A. Decreased respirations and CO2 retention: A thyrotoxic crisis (thyroid storm) typically involves increased, not decreased, respiratory rates and CO2 retention due to increased metabolic activity.

B. Seizures and extreme tachycardia: Thyrotoxic crisis is characterized by severe symptoms including extreme tachycardia, fever, and potentially seizures due to excessive thyroid hormone levels.

C. Constipation and a swollen abdomen: Constipation and abdominal swelling are more typical of hypothyroidism rather than a thyrotoxic crisis.

D. Hypotension and bradycardia: Thyrotoxic crisis usually causes tachycardia and hypertension rather than bradycardia and hypotension.