clinical recognition, 993 criteria for classification of, 991 t–992 t, 993 evidences, 990 –993 goals of treatment, 993 immunomodulatory agents for, 995 t management of complications and emergencies, 996 t cardiac complications, 999 fever, 995 –997 GI complications, 998 –999 headaches, 999 hematologic complications, 997 hypertension, 999 infections, 995 neurologic complications, 997 –998 pulmonary complications, 998 Raynaud phenomenon (RP), 999 renal complications, 997 triage considerations, 993 –994 Systemic Lupus International Collaborating Clinics (SLICC), 990 , 992 Systemic vascular resistance (SVR), 72 T Tachyarrhythmias, 525 –526 Tachycardias, 59 –62 , 148 , 196 , 271 , 341 , 368 common causes, 526 t diagnostic approach to, 527 f differential diagnosis, 525 –526 , 526 t evaluation and decision, 526 –528 life-threatening causes, 526 t narrow complex, irregular, 602 narrow complex, regular, 602 –606 pathophysiology, 525 sinus, 525 supraventricular tachycardia (SVT), 59 –61 ventricular tachycardia (VT), 62 ventricular, 607 f wide complex regular, 606