π This video is the third lesson in a series on ECG/EKG rhythm interpretation, focusing on different types of arrhythmias.
π The video covers sinus arrhythmias, premature beats, bradycardic and tachycardic rhythms, atrial dysfunctions, junctional rhythms, ventricular problems, and heart blocks.
π‘ The presenter aims to help viewers identify and understand the causes and key characteristics of each type of arrhythmia.
π This video discusses different types of arrhythmias and how to identify them using EKG interpretation.
π The first type of arrhythmia discussed is sinus arrhythmia, which originates in the SA node. It is characterized by an irregular heart rate with increasing and decreasing beats.
β±οΈ Using the six-second method, the heart rate of a sinus arrhythmia can be estimated to be 60 beats per minute.
π Different types of arrhythmias exist, but we will focus on basic arrhythmias in this lesson.
β‘οΈ There are three types of premature beats: premature atrial complexes (PACs), originating from the SA node; premature ventricular complexes (PVCs), originating from the ventricles; and premature junctional complexes (PJCs), originating from the AV junction.
βοΈ To identify a PAC, look for narrow QRS complexes, upright P waves, and a possibly different morphology of the P wave compared to other beats.
β Premature Atrial Complexes (PACs) can be identified by their different morphology and are caused by irritations in the atria.
π Premature Junctional Complexes (PJCs) have narrow QRS complexes and inverted or flat P waves, indicating irritation in the AV Junction.
π₯ Premature Ventricular Complexes (PVCs) are the most common and can be recognized by their wide QRS complexes and absence of P waves.
β‘οΈ Premature ventricular complex is identified by a wide QRS complex and the absence of a P wave.
π Sinus bradycardia is characterized by a heart rate less than 60 beats per minute, caused by factors such as athletic conditioning, nervous system dysfunction, or medication.
π Sinus tachycardia occurs when the heart rate exceeds 100 beats per minute, and can be a normal response to factors such as stress or physical activity.
π Sinus tachycardia is characterized by a heart rate greater than 100, usually caused by increased sympathetic response.
β‘οΈ Supraventricular tachycardia (SVT) has a heart rate greater than 150, with an indistinguishable P wave and narrow QRS complex.
π SVT can have extremely high rates, sometimes reaching 300.
β‘οΈ Super ventricular tachycardia (SVT) is a rapid heart rhythm that originates above the ventricles.
π SVT has a pretty regular rhythm with some fluctuations in speed, and it is often caused by increased sympathetic response.
π In the next lesson, the different types of atrial, junctional, and ventricular rhythms will be discussed.