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Emergency medical consultants inc. Specialized Training for all Levels of Emergency Care
Protect your most valuable resources!
STEPS TO INTERPRET 12 LEAD ECG’s
CONFIRM 1. Calibration Mark is present 2. QRS Upright in Lead 1 Negative in AVR 3. Supraventricular Rhythm 4. QRS less than .12 seconds (120 ms) THEN 5. Evaluate ST Segment
Septal V1 V2
Anterior V3 V4
Lateral V5 V6 (I, AVL)
Inferior II, III, AVF
Right Ventricle V4R, V5R
ECG CHANGES TO EVALUATE Must be in 2 related leads
ST Elevation – Acute Injury ST Depression T Wave Inversion – Ischemia (Normal in AVR) Pathologic Q – Necrotic area (Old MI) (Q wave is only present if the first deflection after the P is negative). Pathological= .04 mm wide or 1/3
height of QRS Watch for Mimics – -Left Bundle Branch Block -Wide QRS Complex (Pacer, Vent Rhythm, etc.) -Left Vent. Hypertrophy -Early repolarization -Pericarditis -Old MI (Pathological Q)
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Emergency medical consultants inc. Specialized Training for all Levels of Emergency Care
Protect your most valuable resources!
STEPS TO INTERPRET 12 LEAD ECG’s
CONFIRM 1. Calibration Mark is present 2. QRS Upright in Lead 1 Negative in AVR 3. Supraventricular Rhythm 4. QRS less than .12 seconds (120 ms) THEN 5. Evaluate ST Segment
Septal V1 V2
Anterior V3 V4
Lateral V5 V6 (I, AVL)
Inferior II, III, AVF
Right Ventricle V4R, V5R
EMERGENCY MEDICAL CONSULTANTS, INC. Florida’s Premier Provider Of Quality Medical Training Programs
www.medicaltraining.cc 772-878-3085
ECG CHANGES TO EVALUATE Must be in 2 related leads
ST Elevation – Acute Injury ST Depression T Wave Inversion – Ischemia (Normal in AVR) Pathologic Q – Necrotic area (Old MI) (Q wave is only present if the first deflection after the P is negative). Pathological= .04 mm wide or 1/3
height of QRS Watch for Mimics – -Left Bundle Branch Block -Wide QRS Complex (Pacer, Vent Rhythm, etc.) -Left Vent. Hypertrophy -Early repolarization -Pericarditis -Old MI (Pathological Q)
!
!!!!!!!! !
!
!!!!!!!! !
EMERGENCY MEDICAL CONSULTANTS, INC. Florida’s Premier Provider Of Quality Medical Training Programs
www.medicaltraining.cc 772-878-3085