T-wave-inversion

(Circ 2009;119:e241)

參考➡️ AHA/ACCF/HRS recommendations for the standardization and interpretation of the electrocardiogram: part IV: the ST segment, T and U waves, and the QT interval: a …

• Ischemia or infarct; Wellens’ sign (deep, symm precordial TWI) → critical prox LAD lesion

• Myopericarditis; CMP (Takotsubo, ARVC, apical HCM); MVP; PE (espec if TWI V1–V4)

• Repolarization abnl in a/w LVH/RVH (“strain pattern”); BBB; nl variant if QRS predom. ⊖

• Posttachycardia or postpacing (“memory” T waves)

• Electrolyte, digoxin, PaO2, PaCO2, pH/core temp ∆’s, intracranial bleed (“cerebral Tw”)