So they are basically the same thing? panic/anxiety?

No: Anxiety is a feeling of tension, un-ease, and worry that pervades most life activities. May be chronic. Panic is a discrete episode of intense anxiety that comes out of the blue, peaks within 10 minutes, and has symptoms like palpitations, shortness of breath, sweating, dizziness, rapid pulse, etc. The person may fear having another attack, and avoid activities believed to be connected with it.

Different: A panic disorder is a type of anxiety disorder. Sx's of anxiety can include uncontrolled worrying, restlessness, increased muscle tension, irritability, problems wi sleep & concentration as well as feeling tired. Panic attacks are fairly discreet episodes usually lasting for 2 to 10 minutes in which there is marked increase in anxiety symptoms over that person's baseline.