Immediate/rapid<unk>  loss or<unk>  loss upon awakening
Mostly unilateral<unk>  loss
Sensation of blocked or full ear, patient doesn’t recognize<unk>  is gone
Difficulty in localizing sound
Tinnitus is common
Some patients report vertigo
Occasionally ear pain is present
No sign of obstruction or otitis media on physical exam
Mostly unilateral<unk>  loss
Sudden sensorineural hearing loss
Acute stroke, usually AICA occlusion
Bilateral red eyes
Multiple Sclerosis
Acute vision loss 
Meningitis
Unilateral red eye
Vestibular schwannomas