You have performed an ECG on a patient, resulting in the following ECG tracing. How would you classify the patient's rhythm? 

Insertion of microcatheters into blood vessels to treat aneurysms, lesions, and neoplasms:

A) carpal tunnel release. B) deep brain stimulation. C) endovascular therapy. D) nerve block.

Cardiac output is determined by:

a. heart rate and SVR. b. ventricular contraction and venous supply. c. electrical and mechanical cardiac activity. d. total blood volume.