title: Ask the doctor.  When someone has pneumonia, is it common for the heart rate to fluctuate wildly?
authors.forename: Thomas
authors.initials: T
authors.lastname: Lee
mesh_terms: D001145:Arrhythmias, Cardiac / Q000209:etiology*; D007722:Health Knowledge, Attitudes, Practice; D006339:Heart Rate; D006801:Humans; D011014:Pneumonia / Q000150:complications*; D012307:Risk Factors