A 66-year-old male arrives at the office today without an ap…

A 66-year-old male arrives at the office today without an appointment. He appears quite anxious and pale and is complaining of an aching pain across his sternum that radiates to his L jaw and down the L arm at times.  It started about an hour ago and awakened him from sleep. He took an anti-acid and acetaminophen, but they did not seem to help. His blood pressure is 160/90, and HR is 98. An ECG shows normal sinus rhythm with 2-mm ST segment elevations in leads II, III, and AVF. What do you suspect?

A 23-year-old woman presents with a 3-year history of recurr…

A 23-year-old woman presents with a 3-year history of recurrent, unilateral, pulsating quality headaches with vomiting and photophobia. The headaches generally last 3 hours and can be aborted by resting in a dark room. She reports being able to usually tell when she is about to get a headache. She explains that she “sees little ‘squiggles’ before my eyes for about 15 minutes.  This presentation is most consistent with: