Left Axis Deviation (LAD) in ECG: Causes, Diagnosis, and Treatment
Left Axis Deviation (LAD) on an electrocardiogram (ECG) indicates a leftward shift in the heart's electrical axis, typically between -30 and -90 degrees. It is commonly caused by conditions such as left ventricular hypertrophy (LVH), left bundle branch block (LBBB), and inferior myocardial infarction, often associated with hypertension and structural heart diseases.
Diagnosis involves analyzing the QRS complex axis on an ECG, supplemented by tests like echocardiograms, cardiac MRI, and stress tests to assess overall heart function and identify underlying conditions.
Treatment focuses on addressing the root causes. This includes managing hypertension through lifestyle changes and medications to reduce heart strain. Severe cases may require specific interventions such as surgical procedures or pacemaker implantation to correct structural or conduction abnormalities. Regular monitoring and follow-up with healthcare providers are crucial to monitor progress and adjust treatment plans as necessary.
Early detection and proactive management are vital for optimizing outcomes in individuals with LAD, emphasizing personalized care and continuous medical supervision to maintain optimal cardiovascular health.