The most common finding in a patient who is experiencing a sickle cell crisis is

Comprehensive and Detailed Explanation From Exact Extract:

Sickle cell crisis(vaso-occlusive crisis) occurs when abnormally shaped red blood cells obstruct blood flow, leading to:

Severe localized or generalized pain(most common symptom)

Often in the back, chest, abdomen, or long bones

Hypoxia may be a contributing factor, but pain is themost reported reasonfor EMS activation. Cardiac arrhythmias and hypertension arenot primary symptomsof sickle cell crisis.