…become worse. Particularly, the degree of AV block may increase. QRS complex QRS duration becomes prolonged. ST segment ST segment depression may develop. T wave…

…longer duration; it is safe even on the fingers, toes, nose and ears), a 27 G needle, a 2–5 mL syringe. Punches of 2…

…conduction may be blocked in unusual accessory pathways that possess long conduction times or decremental conduction properties. Furthermore, adenosine binds to four types of receptors…

…QRS duration, delta waves, secondary ST T abnormalities). Click to zoom. Atrioventricular reentrant (reentry) tachycardia (AVRT) Individuals with accessory pathways are at risk of developing…

…present Whether an accessory pathway is suspected, particularly before administration of digoxin The duration of the AF episode, if known The presence of thromboembolic risk…

…with first degree AV block. A shortened PR interval (<0,12 s) indicates pre excitation (presence of an accessory pathway). This is associated with a…

…Some textbooks use the term "node" instead of "nodal". AVNRT should not be confused with AVRT, which is the result of pre excitation (accessory pathway)…

…light causes rapid bilateral pupillary constriction (a brisk reflex), whereas low light causes dilation. This reflex is highly sensitive to brainstem integrity and cerebral perfusion…

…DCM) Dilated cardiomyopathy (DCM) is defined as dilation of one or both ventricles. Dilation of the left ventricle is virtually always accompanied by impaired left…

…help determine expected normal values based on body surface area (BSA), aiding in the diagnosis of aortic root dilation. Key Formulas BSA Calculation (Mosteller formula): [ …