Page 70 - AACN Essentials of Critical-Care Nursing Pocket Handbook, Second Edition
P. 70
Treatment is necessary if patient 57
Treatment is symptomatic. Atropine may increase ventricular rate. Pacemaker is often required.
• • •
Cardiac Rhythms, ECG Characteristics, and Treatment Guide (continued)
ECG Characteristics Rhythm: Regular or irregular, depending on conduction pattern. P waves: Normal; present before every conducted QRS, but two or more consecutive P waves may not be followed by QRS complexes. PR interval: Constant before conduct
Rate: Atrial rate <135 beats/min. abnormally slow in type II advanced blocks.
• • • • • •
Rhythm High-Grade (Advanced)
High AV block
3.12
