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Tachycardia-dependent bundle branch block; A simple way to quickly differentiate between the two types is to note the deflection of the QRS complex in the V1 lead. A (V1) QRS segment deflected down indicates left bundle branch block, while a deflection up indicates right bundle branch block. In both types, the QRS is wide (> 0.12 seconds).
The 12 leads of the traditional ECG are 3 bipolar limb leads, three unipolar limb leads, and 6 unipolar chest leads and gives a better spatial accuracy and is most often used in ambulatory care and for the exercise stress test monitoring the heart's activity. [57]
Leads I, II and III are called the limb leads. The electrodes that form these signals are located on the limbs – one on each arm and one on the left leg. [40] [41] The limb leads form the points of what is known as Einthoven's triangle. [42] Lead I is the voltage between the (positive) left arm (LA) electrode and right arm (RA) electrode:
Electromyography (EMG) is a technique for evaluating and recording the electrical activity produced by skeletal muscles. [1] [2] EMG is performed using an instrument called an electromyograph to produce a record called an electromyogram.
Vertebrate limbs are organized into stylopod, zeugopod, and autopod. The limb is organized into three regions: stylopod, zeugopod, and autopod (in order from proximal to distal). The zeugopod and the autopod contain a number of periodic and quasi-periodic pattern motifs. The zeugopod consists of two parallel elements along the anteroposterior ...
The F-wave latency can be used to derive the conduction velocity of the nerve between the limb and spine. In contrast, the motor and sensory nerve conduction studies evaluate conduction in the segment of the limb. F waves vary in latency and an abnormal variance is called "chrono dispersion".
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Stride range of motion: the leg's integrated path between stance onset and swing offset. Joint angles: Walking can also be quantified through the analysis of joint angles. [10] [11] [12] During legged locomotion, an animal flexes and extends its joints in an oscillatory manner, creating a joint angle pattern that repeats across steps. The ...