What is the difference between a hypertension specialist and a cardiologist?

Differences are few. Not all cardiologists are specialists in HTN but most have expertise in treating complex blood pressure and heart problems. Htn specialists can be cardiologists, internists, or nephrologists (kidney). A cardiologist is expert in all types of heart and blood vessel problems.
See below. A cardiologist treats all kinds of heart disease including hypertension. Some cardiologists focus on hypertension but any good cardiologist is going to be an expert on hypertension. It iis one of the most common things that we treat.

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I want to know what is the difference between a hypertension specialist and a cardiologist?

More knowledge. Hypertension specialists have to do extra work and exams in diagnosing and treating hypertension. For example, this can involve knowing about how the diet, brain, kidneys, adrenal glands regulate blood pressure. All of these are things that cardiologists may not necessarily have expertise in (though many do). Cardiologists often instead focus on opening up blood vessels, or implanting pacemakers. Read more...