What is NOT a characteristic of a three-channel or multichannel electrocardiogram?

2 Weeks before your period started your breasts was swollen and tender When your period started they went back to normal you only had your period for 3 days when its normally 7 days? How much does an allergy Test RAST cost? Does fly spray kill scabies? Why would you see a urologist? What percentage of college students wet the bed? What is the primary factor that characterizes bulimia nervosa? Is it advisable to marry a glaucoma patient? What are the parts that make up cardiovascular system and the respiratory system? When is your due date if you conceived 12-12-09? What organ absorbs bile and pancreatic juice in digestion? How does the motorcycle boy explain his brothers fear of being alone? Why is breathing through your mouth while running better than through your nose? What kind of doctor do you see for an eye twitch? Is lactose same as sugar? Can insulin be administered rectally? Is streptococcus pneumonia armed and dangerous? Can the therapist be correct that your 4 year old son has classic signs of Asperger's Syndrome? How do your bones help your body? How do you tell if golden retriever has ear infection? Why can a blood clot stop an organ from working properly?

What is NOT a characteristic of a three-channel or multichannel electrocardiogram?