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Left bundle branch block (LBBB) masks changes due to hyperkalemia: A myth
Author(s) -
Kumar Anil,
Shah Neel,
Jesmajian Stephen
Publication year - 2010
Publication title -
journal of hospital medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.128
H-Index - 65
eISSN - 1553-5606
pISSN - 1553-5592
DOI - 10.1002/jhm.625
Subject(s) - medicine , left bundle branch block , qrs complex , cardiology , hyperkalemia , bundle branch block , t wave , electrocardiography , pr interval , prolongation , heart block , u wave , bundle , heart rate , heart failure , blood pressure , materials science , composite material
Left bundle branch block masks ischemic changes but not those due to electrolyte imbalance. Peaking of T waves, prolongation of PR interval, diminution/absence of P wave, and widening of QRS complex can still be appreciated if one carefully compares the baseline ECG to the presenting ECG. Journal of Hospital Medicine 2010;5:226–227. © 2010 Society of Hospital Medicine.