The classic features of<unk><unk>  include the presence of triggering stimuli with subsequent prodrome of nausea and diaphoresis. Women and patients younger than forty tend to have more typical triggers, whereas older patients specifically may be triggered by cough, urination, and defacation.
Neurocardiogenic syncope symptoms
Second degree AV block laboratory findings
Noonan syndrome ECG findings
Right bundle branch block laboratory findings
AVNRT risk factors
Ventricular fibrillation risk factors
Ventricular tachycardia laboratory findings
Junctional bradycardia laboratory findings