A physician who specializes in medical problems related to the heart.(noun)
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Use "cardiologist" in a sentence
"For those children born with vascular ring who do not require surgery, follow-up with a cardiologist is advised."
"Serrano said the findings suggest that elderly women with one or more heart risk factors who are being treated with trastuzumab should be referred to a cardiologist."
"Two weeks ago I called her cardiologist and started the conversation by saying this: I'm not going to mince words."