A hiker is presented to the ED with flu-like symptoms and a tick is found. What are the signs and symptoms of tick paralysis and how can it be treated?

Over the next 24-48 hours, the patient develops ascending symmetrical flaccid paralysis and weakness in the lower extremities.

Crystals made of lithium, cobalt, selenium, and oxygen seem to defy the conventions of symmetry in the way polarized light (arrows) rotates as it passes through the crystal.

Symptoms are unsteady movement and gait (ataxia) and ascending paralysis starting in the lower extremities and moving up. Paralysis can cause loss of respiratory drive, requiring CPR and immediate ...

Wikimedia CommonsArchaeologist Liana Souvaltzi has been confident Alexander the Great’s tomb is in the Siwa Oasis in Egypt since the mid-1980s.

Response to: Very rare incidence of ascending paralysis in a patient of traumatic spinal cord injury: a case report Ravindran Visagan Marios C. Papadopoulos ...