You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Wallenberg syndrome involves which aery and explain in detail?
WALLENBERG SYNDROME : Lateral medullary ischemia d/o ipsilateral veebral aery ( in most cases) or PICA( in few cases ) Features of Wallenberg Syndrome : Ipsilateral paralysis of most muscles of soft palate, pharynx & larynx d/o injury to nucleus ambiguous (CN IX, X, XI ) Loss of pain & temperature from same side of face due todamage to spinal nucleus & tract of CN V Loss of pain & temperature on opposite side of the body, due to inducement of lateral spinothalamic tract. Giddiness d/o damage to vestibular nuclei.