T wave inversion , ST depression, Tall T wave normal T wave, upsloping ST changes, ST elevation,

1. ABNORMALITIES OF T
WAVE
Made By:- Muskan Kapoor

2. NORMAL T WAVE
● It is produced by rapid phase of
ventricular repolarization.
● It is upright in most leads
except aVR, L3, V1.
● It is taller in V6 than in lead
V1 and taller in L1 than in L3.
● It does not exceed 5 mm in
height in the limb leads and 10
mm in precordial leads.

3. INVERTED T WAVE
● Inversion of T wave is often associated with
depression of ST segment.
● A subtle evidence of myocardial ischemia is
that T wave amplitude in lead L1 is less than
in L3 and that in lead V6 is less than in V1.
● Causes :- pharmacological (digitalis)
- Myocardial (cardiomyopathy , myocarditis)
- Ischemia (infarction)
- Ventricular hypertrophy
- Bundle branch block
- WPW syndrome
- Hypokalemia

5. ● In leads L1, aVL, V5, V6
- LVH
- LBBB
- Lateral wall infarction
- Digitalis toxicity
● In lead V1, V2, V3
- Anteroseptal infarction
- RVH
- RBBB
- WPW syndrome
- Acute pulmonary embolism
● In lead L2, L3, aVF
- Inferior wall infarction
- MVP syndrome

6. TALL T WAVE
● If voltage is more than 5mm in standard
leads and 10 mm in precordial than it is
considered as tall T wave.
● Causes :- hyperkalemia
- Myocardial ischemia
Coronary artery Leads
LAD V1, V2,V3,V4
LCX L1, aVL, V5,V6
RCA L2, L3, aVF