Amonitored patient in the icu developed a sudden onset of narrow-complex tachycardia at a rate of 220/min. the patient’s blood pressure is 128/58 mm hg, the petco2 is 38 mm hg, and the pulse oximetry reading is 98%. there is vascular access in the left arm, and the patient has not been given any vasoactive drugs. a 12-lead ecg confirms a supraventricular tachycardia with no evidence of ischemia or infarction. the heart rate has not responded to vagal maneuvers. what is your next action?

Which of the following is an argument against buying local fruits and vegetables?

A46-year-old man with a history of hypertension and hypercholesterolemia visits the physician for a routine followup. the patient's job involves a lot of travelling, and he admits to occasionally forgetting to take his medications with him when he travels. he complains of several episodes of chest pain in the past few months. the pain is sharp in nature, mainly over his lower chest and epigastrium, and tends to come on when walking. he believes these episodes are due to indigestion and has been taking antacids. there is a family history of heart disease, and his father died of a heart attack at age 48. on physical examination, his blood pressure is 150/80 mmhg and heart rate is 86/min. his lungs are clear to auscultation. cardiac auscultation reveals normal rate and rhythm, without rubs, gallops, or murmurs. there is no pedal oedema. he is sent for an exercise stress test. five minutes into the test, he develops st depression of 3mm in leads v1-v5. the st segment depression is greater than 0.12 seconds in duration and the stress test is stopped. which of the following is the most appropriate next step in management? - coronary angiography- holter monitor- no further tests are required- repeat stress test with thallium- upper gastrointestinal endoscopy

Which statement about adolescene is false