12 Bilder zum Thema "qrs axis" bei ClipDealer

Medien sortieren nach     Gehe zu Seite:    
« Vorherige  1  Nächste »
Sometimes, because the QRS axis is in the upper left quadrant, the high-amplitude R wave of left ventricular hypertrophy occurs in the limb leads, and left chest leads is normal.
Female, 51 years old, diagnosed with mitral stenosis. When this ECG was taken, the patient still maintained sinus rhythm.Note that the P wave duration was widened.
When sinus arrest occurs, the electrocardiogram will show a long P-P interval, which is not multiples of the basal sinus cycle, including physiological and pathological reasons.
In the spatial anatomy of the heart, the axis from the base of the heart to the apex of the heart is called the long axis, that is, the upper right side faces the lower left side.
When the frontal QRS axis is at +83, the R amplitude of lead aVF is the highest.The frontal QRS axis is almost perpendicular to the axis of lead .
Clockwise rotation electrocardiogram refers to the transition of the rS waveform of the chest lead to the left chest lead, with the transition lead exceeding the V4 lead.
Clockwise and counterclockwise rotation are common electrocardiographic phenomena, mainly used to describe the evolution of R-wave amplitude in chest leads.
When the frontal QRS axis is at +57, the QRS amplitude of lead is the highest.The frontal electrical axis is almost perpendicular to aVL lead, so the algebraic sum of QRS amplitude is almost zero.
On the long axis of the left ventricle, the left ventricle is divided into three equal parts: the apex, the middle chamber, and the base.
On the long axis of the left ventricle, the left ventricle is divided into three equal parts: the apex, the middle chamber, and the base, and then divided into 17 segments.
R wave greater than S wave is judged to be positive; R smaller than S is judged to be negative; R equal to S amplitude is judged to be equipotential.
When ectopic impulses originate in the left atrium, an upright P wave will be generated in V1 and an inverted P wave in lead aVL.

« Vorherige  1  Nächste »