Can they check height and weight at cardiology appointments?

Yes: Yes. Generally height and weight are checked at each cardiology appointment. Of course, the height does not change every time.

Always: Height, weight, vital signs, oxygen saturation, history and physical examination are all done on every visit. Electrocardiogram, echocardiogram and other testing are done when needed.

Yes. : Height and weight are important to calculate body mass index and body surface area which are very relevant to heart and overall health.

Sure : sure, why not? BMI and fat % are important in the assessment of cardiovascular risk.