ECG
ABNORMALITIES
P
WAVE
|
PR
INTERVAL
|
QRS
WAVE
|
QT
INTERVAL
|
ST
SEGMENT
|
T
WAVE
|
U
WAVE
|
|
HYPOKALEMIA
|
prolonged
PR
|
depressed
ST
|
flat
or inverted T
|
prominent
U
|
|||
HYPERKALEMIA
|
absent
P
|
prolonged
PR
|
wide
QRS
|
prolonged
QT
|
depressed
ST
|
tall
T
|
|
HYPOCALCEMIA
|
prolonged
QT
|
lengthened
ST
|
|||||
HYPERCALCEMIA
|
shortened
QT
|
||||||
HYPOMAGNESEMIA
|
prolonged
PR
|
prolonged
QT
|
depressed
ST
|
flat
or inverted T
|
|||
HYPERMAGNESEMIA
|
prolonged
PR
|
wide
QRS
|
|||||
CLASSICAL
MI
|
pathologic
Q
(zone
of infarction)
|
elevated
ST
(zone
of injury)
|
inverted
T
(zone
of ischemia)
|
||||
ANGINA
PECTORIS
|
depressed
ST
|
peaked
or flat or inverted T
|
|||||
PERICARDITIS
|
elevated
ST
|
peaked
T
|
COMMENTS