title: You're the flight surgeon. Left bundle branch block.
authors.forename: Bret D
authors.initials: BD
authors.lastname: Heerema
mesh_terms: D000328:Adult; D000337:Aerospace Medicine; D002037:Bundle-Branch Block / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004452:Echocardiography; D004562:Electrocardiography; D015716:Electrocardiography, Ambulatory; D004608:Eligibility Determination; D006801:Humans; D008297:Male