Ty and Mike are looking forward to a great day of surfing at the beach. How can they get their day off to a great start and help to guarantee their beach trip is full of fun and safe times? Allow time before leaving to check local weather conditions Be sure to use a fiberglass surfboard as it doubles as an approved floatation device Scope out the best waves regardless of the distance to the nearest lifeguard stand Take restroom breaks individually to have time to surf the waves by themselves

A62-year-old man is being treated for an acute myocardial infarction. he originally came to the ed with substernal chest pain and diaphoresis. given his risk factors of hypertension, diabetes, tobacco use, and family history, he is considered high risk. an ecg in the ed reveals a left-bundle branch pattern, and cardiac enzymes are elevated slightly. after a focused evaluation in the ed, the patient receives iv thrombolytics. although his bundle branch pattern never resolves, the patient is chest pain-free and haemodynamically stable after thrombolysis. two days later, however, the patient reports episodes of recurrent chest discomfort and shortness of breath overnight. in evaluating for potential myocardial reinfarction, which of the following is the most appropriate diagnostic test? - creatinine kinase- dynamic ecg changes- lactate dehydrogenase- myoglobin levels- troponin i level