Which of the following are symptoms of a concussion that an athlete may describe? A. The athlete complains of shoulder pain that radiates down the arm to a tingling feeling in
the fingers.
B. The athlete feels weak, tired, and has stopped sweating.
C. The athlete states the lights hurt their eyes, they feel confused, 'not right", and complains
of an odd headache with "pressure" in their head.

An 80-year-old woman comes to the urgent care clinic with dyspnoea on exertion. on physical examination, her blood pressure is 100/70, and her pulse is 75. she has no pulsus paradoxus. her jugular veins are distended, and she has distant heart sounds. in addition, she has extra third and fourth heart sounds. her liver is enlarged, and she has pedal oedema. she has occasional premature ventricular contractions on her electrocardiogram. a chest x-ray reveals clear lung fields with a dilated cardiac silhouette. her echocardiogram reveals ventricular walls with a "speckled pattern". which of the following is the most likely diagnosis? - alcoholic cardiomyopathy- amyloidosis- haemochromatosis- tuberculosis- viral myocarditis