By Antonin Rukl, Gary Seronik

The current atlas is meant for an individual attracted to changing into conversant in the lunar good points seen from the Earth. the most a part of this e-book involves an in depth atlas of the close to part of the Moon, subdivided into seventy six sections with whole nomenclature as outhorized through the foreign Astronomical Union (lAU), together with contemporary amendments as much as 2003, each one part is observed by way of a «Whos who at the Moon» precis containing information regarding the members whose names were given to lunar formations, and a short description of the gains themselves. an extra sequence of libration-zone charts depict the difficult-to-observe area close to the Moons limb. ultimately, there's the «Fifty perspectives of the Moon» part that highlights the various lunar surfaces best good points. Readers will locate various alterations and updates during this version of Atlas of the Moon. The atlas charts ore up-to-date to check the present IAU-approved lunar nomenclature (including fresh additions followed on the IAU common meeting in 2000) the libration charts for the south polar sector were changed with new ones that make the most of imagery from the Clementine spacecraft and Arecibo Observatory to teach extra element close to the pole and crater terminology is up to date through the atlas to mirror the phrases utilized by geologists. long gone are out of date phrases like «walled plains» or «Ring Mountains,» brought some time past by way of selenographers. additionally, the publication has been revised all through to include effects from the Galileo, Clementine, and Lunar Prospector missions. obviously, tables of lunar stages, colongitude, and eclipses ore up to date too.

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Additional resources for Atlas of the Moon: Revised, Updated Edition

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On the left is a description of an ECG rhythm; on the right is a list of arrhythmias. Tick the box in the middle column next to the arrhythmia that you feel fits the description best. Description A Tick Arrhythmia No P waves Atrial fibrillation Broad complex Atrial flutter Heart rate 160 Supraventricular tachycardia Activities 5 Chapter 5 activities Ventricular tachycardia Ventricular fibrillation B Heart rate 150 Atrial fibrillation Broad, abnormal waves on the baseline Atrial flutter Normal QRS complexes Supraventricular tachycardia Ventricular tachycardia Ventricular fibrillation C Chaotic electrical activity on the baseline Atrial fibrillation No QRS complexes Atrial flutter No P waves seen Supraventricular tachycardia Ventricular tachycardia Ventricular fibrillation D Irregular heart rate Atrial fibrillation No P waves seen Atrial flutter Narrow QRS complexes Supraventricular tachycardia Ventricular tachycardia Ventricular fibrillation E Heart rate 180 Atrial fibrillation Narrow QRS complexes Atrial flutter P wave not seen (might be hidden in the T wave of the preceding complex) Supraventricular tachycardia Ventricular tachycardia Ventricular fibrillation 33 ECG 3 chapters 1–7:Layout 1 10/09/2014 11:08 Page 34 ECG 3 chapters 1–7:Layout 1 10/09/2014 11:08 Page 35 Chapter 6 Ectopics and extrasystoles Ectopic beats are extra heartbeats that arise from a focus other than the sino-atrial node and occur early in the cardiac cycle.

1 below) provides additional diagnostic information because it records the electrical activity of the heart from three directions, whereas a single rhythm strip examines the heart from only one direction. With a 12 lead ECG, electrodes are placed on various sites of the body and each site gives a different view of the heart’s electrical impulses. Each view of the heart is known as a lead. e. those labelled I, II, III, aVR, aVL and aVF) are collectively known as the limb leads. Those on the right-hand side of the page (labelled V1–V6) are collectively known as the chest leads.

Look at the QRS complex in each of the 12 leads and complete the following table: I II III aVL aVR aVF V1 V2 V3 V4 V5 V6 Is this complex positive, negative or equiphasic? g. RS, QRS, etc) Does this complex look as you would expect it to look? 45 ECG 3 chapters 1–7:Layout 1 10/09/2014 11:08 Page 46 ECG 3 chapters 8–11:Layout 1 10/09/2014 11:06 Page 47 Chapter 8 Axis deviation We have already learned about the normal pathway of the impulse as it travels through the conducting system. We have also seen how the direction of this impulse and the position of electrodes around the heart affect the polarity of the limb leads.

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