• 2022-06-07
    Wide QRS complex in electrocardiogram is helpful to differentiate ventricular tachycardia from paroxysmal supra ventricular tachycardia (PSVT).
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    • 0

      Physostigmine can be used to treat A: myasthenia gravis B: over dosage of muscle relaxant intoxication C: paroxysmal supraventricular tachycardia D: glaucoma

    • 1

      Elevated arterial blood pressure can cause () A: Prolonged ventricular isovolumic systolic period B: Prolonged ventricular rapid ejection period C: Prolonged ventricular slow ejection period D: Prolonged ventricular fast filling period E: Prolonged ventricular slow filling period

    • 2

      The mechanism of bluish violet in faroux's tetralogy is related to many factors A: Increased right ventricular pressure B: Decreased pulmonary circulation C: Right ventricular blood enters the left ventricle through the ventricular defect D: Right ventricular blood enters the aorta directly E: Heart failure

    • 3

      Which of<br/>the followings are the mechanisms of ventricular diastolic<br/>dysfunction? () A: Delayed<br/>restoration of Ca 2+ B: Reduced<br/>diastolic potential energy of ventricles C: Dysfunction<br/>of excitation-contraction coupling D: Reduced<br/>ventricular compliance E: Disorder<br/>of dissociation of myosin-actin complex

    • 4

      Neostigmine<br/>can not be used to treat() A: myasthenia gravis B: poisoning symptoms caused by succinylcholine,skeletal muscle relaxant C: postoperative enteroparalysis D: postoperative urinary retention E: paroxysmal supraventricular tachycardia