21. Research on the superventricular tachycardia ) have also been reported. 22. He lives with a condition, supraventricular tachycardia , that causes rapid heartbeats. 23. Supraventricular tachycardia can cause palpitations, dizziness, light-headedness or unconsciousness. 24. Acute effects of betel chewing include asthma exacerbation, hypertension, and tachycardia . 25. Several types of supraventricular tachycardia are known to exist. 26. In ventricular tachycardia , the heart beats too fast to effectively pump blood. 27. Less common is ventricular tachycardia that occurs in individuals with structurally normal hearts. 28. These patients have no apparent heart disease or other causes of sinus tachycardia . 29. If nicotinic receptors of the flushing, and tachycardia . 30. Tachycardia and stimulation of the vasomotor center causes an increase in blood pressure.
