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EM GuideWire
CMC Ed Masters
Ped EM Morsels
Basics
P Waves
Sinus
Not sinus
Absent
PR interval
Short PR
Prolonged PR
Variable PR
QRS
Wide
Axis
>
LAD
RAD
Amplitude
>
High Voltage
Low Voltage
Alternans
R Wave Progression
Pathological Q waves
ST Segments
ST Elevation
ST Depression
T Waves
Flat, Bifid, or Notched
Inverted
QT intervals
Prolonged QT
Short QT
Patterns
STEMI
Pulmonary Embolism
Ventricular Hypertrophy
Pulmonary Disease
ST-T Patterns
Electrolyte Abnormalities
Cases
>
Case 1
Case 2
Case 3
Case 4
Case 5
Case 6
Case 7
Case 8
Case 9
Case 10
Case 11
Case 12
Case 13
Case 14
Case 15
Case 16
Case 17
Case 18
Case 19
Interpreter
High Voltage
Leads
Criteria
S-V1 + R-V5
>35 mm
R-aVL
>13 mm
R-I + S-III
>27 mm
LAE, LAD, ST-T abnormalities (strain pattern): LVH more likely
QRS voltages may be higher in normal young and thin individuals
Unexplained high voltage: check amplification (r/o 20 mm/mV)
Axis
Low Voltage
Progression
Home
About Us
EM GuideWire
CMC Ed Masters
Ped EM Morsels
Basics
P Waves
Sinus
Not sinus
Absent
PR interval
Short PR
Prolonged PR
Variable PR
QRS
Wide
Axis
>
LAD
RAD
Amplitude
>
High Voltage
Low Voltage
Alternans
R Wave Progression
Pathological Q waves
ST Segments
ST Elevation
ST Depression
T Waves
Flat, Bifid, or Notched
Inverted
QT intervals
Prolonged QT
Short QT
Patterns
STEMI
Pulmonary Embolism
Ventricular Hypertrophy
Pulmonary Disease
ST-T Patterns
Electrolyte Abnormalities
Cases
>
Case 1
Case 2
Case 3
Case 4
Case 5
Case 6
Case 7
Case 8
Case 9
Case 10
Case 11
Case 12
Case 13
Case 14
Case 15
Case 16
Case 17
Case 18
Case 19
Interpreter