For current information on diagnosis and treatment of arrhythmias, go to www.arrhythmiaonline.com.  
 
  For an overview including algorithms of the ACLS 2000 guidelines, go to www.ace.cc/new acls guidelines.  
 
  For Medical PDA software and useful PDA links, go to DocMD.com's PDA Software page.  
 
  For links to the American Heart Association that includes an extensive source of information on cardiovascular diseases, go to www.americanheart.org.  
 
  For The Emergency Cardiovascular Care Site of the American Heart Association, go to www.cpr-ecc.org.  
 
  For updates on ACLS guidelines, go to www.ACLSguidelines.com.  
 
  For Grand Rounds in Cardiology with continuing medical education programs, including arrhythmia management, go to www.cardiovasculared.com.  
 
  For free MEDLINE access, go to DocMD.  
 
  For useful information on cardiovascular medicine, including clinical trials, case studies, useful links go to www.theheart.org.  
 
  For additional great links, go to DocMD.com's SpecialtyLinks or explore DocMD.com.