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分析改良Valsalva动作对急诊阵发性室上性心动过速(PSVT)患者的影响。方法选取2017年3月—2019年3月在江油市人民医院、四川省人民医院急诊科就诊的PSVT患者133例,采用随机数字表法分为对照组(n=63)与研究组(n=70)。对照组患者采用标准Valsalva动作治疗,研究组患者采用改良Valsalva动作治疗。比较两组患者一般资料、复律情况、治疗前后右侧颈内静脉前后径及左右径。观...
Idiopathic Epicardial Ventricular Arrhythmias: Diagnosis and Ablation Technique from the Aortic Sinus of Valsalva
Ventricular tachycardia left sinus of Valsalva potential premature ventricular contraction catheter ablation tissue tracking imaging
2015/7/31
Idiopathic outflow tract arrhythmias (ventricular tachycardias or symptomatic premature ventricular contractions; OT-VT/PVCs) can originate from the left ventricular (LV) epicardium (Epi-VT/PVCs), and...
Intrathoracic pressure changes after Valsalva strain and other maneuvers: implications for divers with patent foramen ovale
exercise decompression nitrogen ear patent foramen ovale PFO
2009/6/8
Scuba divers with patent foramen ovale (PFO) may be at risk for paradoxical nitrogen gas emboli when performing maneuvers that cause a rebound blood loading to the right atrium. We measured the rise a...
The Valsalva Manoeuvre: A critical review
otic barotrauma barotrauma Valsalva manoeuvre equalization middle ear Eustachian tube DIVERS
2009/5/26
The Valsalva manoeuvre is commonly used in
diving to equalise middle ear pressures during descent. A
forceful expiration with the nostrils and mouth held shut
results in an increased nasopharyngeal...