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ECG FeaturesAtrial fibrillation belongs to supraventricular arrhythmias. Its typical ECG performance is normal atrial wave (P wave) is replaced by f wave with irregular ventricular rhythms. f wave usually shows as a small amplitude of baseline oscillation. Its frequency usually ranges from 300 to 600 bpm, with changeable amplitude, shape and period. In comparison, the frequency of atrial flutter is 250 ~ 350 bpm, with stable shape and period.In the absence of negative conduction factors, the ventricular rate of a tpical atrial fibrillation is usually from 100 to 160 bpm. In patients with W-PW ...
Published: 2018 - 02 - 09
Views:133
Definition and ClassificationStroke is a general term for acute cerebrovascular diseases, such as cerebral thrombosis, cerebral infarction or cerebral hemorrhage. It is featured with acute onset, critical condition, serious sequelae, high morbidity and mortality, becoming one of the most common causes of death.Stroke is a medical condition of blood circulation disorder, which can be divided as hemorrhagic and ischemic.Stroke refers to a series of disease related with cerebral blood circulation disorders. The clinical manifestations may include as temporary or permanent brain injury a...
Published: 2018 - 01 - 10
Views:41
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