U Wave Ecg. ECG should be done on patients with hypokalemia Cardiac effects of hypokalemia are usually minimal until serum potassium concentrations are 3 mEq/L ( 3 mmol/L) Hypokalemia causes sagging of the ST segment depression of the T wave and elevation of the U wave With marked hypokalemia the T wave becomes progressively smaller and the U wave.
The Pwave ECG interpretation usually starts with an assessment of the Pwave The Pwave is a small positive and smooth wave It is small because the atria make a relatively small muscle mass If the rhythm is sinus rhythm (ie under normal circumstances) the Pwave vector is directed downwards and to the left in the frontal plane and this yields a positive Pwave in lead.
ECG interpretation: Characteristics of the normal ECG (P
Biatrial enlargement is diagnosed when criteria for both right and left atrial enlargement are present on the same ECG The spectrum of Pwave changes in leads II and V1 with right left and biatrial enlargement is summarised in the following diagram Common P Wave Abnormalities P mitrale (bifid P waves) seen with left atrial enlargement P pulmonale (peaked.
Electrolyte Abnormalities Basic And Bedside Electrocardiography 1st Edition 2009
Hypokalemia Endocrine and Metabolic Disorders Merck
LITFL Medical Blog Delta Wave ECG Library Basics
P wave LITFL ECG Library Basics
Delta Wave Overview The Delta wave is a slurred upstroke in the QRS complex often associated with a short PR interval It is most commonly associated with preexcitation syndrome such as WPW The characteristic ECG findings in the WolffParkinsonWhite syndrome are Short PR interval (< 120ms) Broad QRS (> 100ms).