title: Left anterior hemiblock masking coronary insufficiency.
abstract: A case is presented in which transient left anterior hemiblock masked the electrocardiographic signs of coronary insufficiency during work.
mesh_terms: D003327:Coronary Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005080:Exercise Test; D006327:Heart Block / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged