Table 4.

Diagnosis and management of autonomic dysfunction.

Symptoms	Assessment Modalities	Management
Resting tachycardia, exercise intolerance, early fatigue, and weakness with exercise	HRV, respiratory HRV, MUGA thallium scan, 123I MIBG scan	Graded supervised exercise, beta blockers, ACE-inhibitors
Postural hypotension, dizziness, lightheadedness, weakness, fatigue, syncope, tachycardia/bradycardia	HRV, blood pressure measurement lying, and standing	Mechanical measures, clonidine, midodrine, octreotide, erythropoietin, pyridostigmine
Hyperhidrosis	Sympathetic/parasympathetic balance	Clonidine, amitryptylline, trihexyphenidyle, propantheline, or scopolamine, botox, glycopyrrolate