A 6 year-old girl is brought to your office by her mother be…

A 6 year-old girl is brought to your office by her mother because of a rash. The mother first noticed the rash 1 day ago. The mother reports that several kids in the child’s school have come down with chicken pox but that the child has received all of her immunizations including two doses of the varicella vaccine. You observe the child actively playing with the toys in your waiting room before both the mother and child are brought back. The child has a temperature of 100.4 degrees F, a pulse of 90 beats per minute, a blood pressure of 100/70 mmHg and a respiration rate of 20 breaths per minute. The physical examination is unremarkable except for 20 vesicles on erythematous bases sparsely scattered on the child’s trunk and limbs. Which of the following is the most likely diagnosis?

A 53-year-old Caucasian male comes in with a 2-week history…

A 53-year-old Caucasian male comes in with a 2-week history of severe headaches mostly during the night. The patient is pacing while he is talking. During the history taking, he states that the symptoms of pain around one eye last for 30 to 90 minutes in duration. He also states that there is ipsilateral lacrimation, conjunctival injection, and nasal congestion during the attacks. The patient states that he has had these headaches two or more times in a day over a period of several weeks. He cannot point to one thing that triggers them. On examination, the patient has features of partial Horner’s syndrome. His vital signs are temp. 97.0 F, HR 80/min, RR 16/min, BP 126/80 mmHg. The patient’s headache is most likely: