Health anxiety, dizziness, ear pressure, shortness of breath, constipated, rapid heart rate, had ct mri scan bw ekg chest stomach xray all normal. anxiety?

No: There could still be a medical cause for the symptoms. Find a doctor who will take the time to try to find it. Allergies, low magnesium may be contributors. Psychiatric diagnoes should not be made unless all medical causes have been ruled out. There are many more medical tests to do.

Possibly: I agree with dr. Block about the need to fully evaluate your complaints, looking for possible "medical" causes. However, anxiety disorders are medical causes also -- having physical, emotional, and cognitive symptoms and effects. With "health anxiety" [your words] you're likely to interpret any physical sensation as a sign of serious physical illness -- when the anxiety itself needs treatment.

Anxiety?: You need comprehensive blood panel to rule out other medical factors.