Image from Morton Kern's Handbook of Cardiac catheterization.
Some images worth learning from are posted here (Note: Most of them are plagiarised. But, sources are referenced)
Salt stick (Na 500, K 100) Vitassium
(Note: Salt stick Plus has caffeine in it. Other Salt stick preparations have Ca and Mg - but with lower amounts of Na and K.)
Thermotabs 1g
(4-5 tab per day, depending upon activity level, duration)
Doxy-dopa (Northera) - Alpha-1 agonist. 100 mg bid. May increase to tid. Expensive. Therefore, may be used when Midodrine fails
Pyridostigmine. Ach esterase inhibitor. Increases vascular tone. May help GI symptoms. 30 mg tid (half of 60 mg tab). Side effects - muscle shakiness.