CAS RN: 541-25-3


A) Quantitative 24 hour urine collections are the most reliable laboratory measure of arsenic excretion following Lewisite exposures.
B) Monitor cell blood counts and electrolytes in all symptomatic exposures.
C) Monitor respiratory rate, pulse oximetry, and chest radiography in patients with significant exposures. If abnormal, check and monitor arterial blood gases and pulmonary function tests. Acute lung injury is a major toxic effect of Lewisite.
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