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12-lead layout: A systematic approach to interpretation Most 12-lead ECG machines produce a print out similar to the one above, with the six limb leads grouped together on the left-hand side of the page, and the six chest leads on the right. At the bottom of the page is a “rhythm strip”.
♥ P-wave always positive in lead II (actually always positive in leads II, III and aVF). ♥ P-wave duration should be <0,12 s (all leads). ♥ P-wave must be positive in lead II, otherwise the rhythm cannot be sinus rhythm. ♥ P-wave may be biphasic (diphasic) in V1 (the negative deflection should be <1 mm). It may have a prominent
•Describe how the 12 lead ECG portrays the electrical activity of the heart •Differentiate between ischemia, injury and infarction
Figure 9.3 This 12-lead EKG illustrates normal sinus rhythm (NSR). Each lead displays the characteristic P wave, QRS complex, and T wave, with a consistent and regular rhythm. The heart rate is within the normal range of 60–100 bpm. This EKG can serve as a reference for identifying normal electrical activity in the heart, providing a baseline ...
28 lut 2011 · Understanding an ECG: a guide to understanding the underlying concepts of ECGs. Cardiac axis explained: a simple guide to the cardiac axis. How to record a 12-lead ECG: an OSCE guide to recording a 12-lead ECG. How to document an ECG: a guide to documenting your ECG interpretation in the notes.
5 mar 2011 · How to read an ECG: a step by step guide to reading ECGs. Cardiac axis explained: a simple guide to the cardiac axis. How to record a 12-lead ECG: an OSCE guide to recording a 12-lead ECG. How to document an ECG: a guide to documenting your ECG interpretation in the notes.
• Draw and label the normal EKG waveform, P to U and explain each part of the wave. • Discuss how different leads represent the heart. • Explain placement of electrodes for 12-lead, 5-lead, and 3-lead EKGs. • Outline 9 steps in interpreting the EKG. • Describe EKG characteristics of atrial fibrillation, atrial flutter,
