A 33-year-old member asked:
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Can smoking marijuana have bad effects for a left bundle branch block?

1 doctor answer
Dr. Robert Kwok
32 years experience in Pediatrics
Maybe yes: Among the bad things smoking marijuana does to the heart and lungs are the quick rise in heart rate and blood pressure, the increased demand for oxygen by the contracting heart muscle, followed by vasodilation (blood vessels relax and dilate) with a drop in blood pressure as smoking mj continues; the abnormal rhythms in the upper heart, and maybe abnormal ventricular (lower heart) rhythms.
Answered on Dec 9, 2013
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