Inter-beat (RR) Intervals. The time intervals between consecutive heart beats are customarily measured in the electrocardiogram from the beginning of a QRS complex to the beginning of the next QRS complex, so these intervals might be called QQ intervals, but they are conventionally named RR intervals.
Dubuque County, Iowa. Dubuque County is a county located in the U.S. state of Iowa. As of the 2010 census, the population was 93,653. The county seat is Dubuque. The county is named for Julien Dubuque, the first European settler of Iowa. Dubuque County comprises the Dubuque, IA Metropolitan Statistical Area, and is the seventh largest county by population in the state.
Johnson County Assessor's Office 913 South Dubuque Street Iowa IA 52240 31.4 miles from Olin 319-356-6078. Delaware County Assessor's Office 301 East Main Street Manchester IA 52057 37.2 miles from Olin 563-927-2526. Muscatine County Assessor's Office 414 East 3rd Street Muscatine IA 52761 40.0 miles from Olin 563-263-7061