Inflammation of the pericardial sac causes a sharp and stab…

 Inflammation of the pericardial sac causes a sharp and stabbing chest pain.  The pain is worse with coughing, swallowing, deep breath or lying flat.  A friction rub is easily heard at the 3rd-4th intercostal spade just left of the sternum.  This diagnosis is:

A 78-year-old male patient reports that his vision is cloudy…

A 78-year-old male patient reports that his vision is cloudy. He has had the prescription in his eyeglasses revised 3 times in the past 18 months. He no longer drives at night, stating that “it is too hard to see”. On exam, the following is evident:Central cloudiness of the lens is most indicative of: