You have run a 12-lead ECG on Ms. Reilly, a patient in the cardiac care unit of the hospital where you work. A portion of the V1 tracing is shown here. What cardiac condition would you suspect based on this tracing? 

What is important about the test systems used for detection of the lupus anticoagulant?

a. The phospholipid concentration should be high. b. Ellagic acid should be the PTT activator substance. c. The patient plasma and normal plasma used for mixing studies should be platelet poor. d. A 1:1 mix should be performed when the initial test is normal to improve the sensitivity.

What color will blood exhibit if it has high oxygen content?

A) Purple B) Colorless C) Blue D) Red