Jan 8, 2024 · One of the key steps in interpreting an electrocardiogram (ECG) is determining the heart's electrical axis or the sum of all depolarization vectors of the heart. The cardiac vector suggests the …

Nov 5, 2024 · LAD (left axis deviation) LAHB (left anterior hemiblock) iLBBB (incomplete left bundle branch block) LVH (left ventricular hypertrophy) Diagnostic criteria Differential diagnosis of LVH …

Nov 17, 2024 · ECG Axis. Hexaxial QRS Axis analysis for dummies. Quick and easy method of estimating EKG axis with worked examples and differential diagnoses

In electrocardiography, left axis deviation (LAD) is a condition wherein the mean electrical axis of ventricular contraction of the heart lies in a frontal plane direction between −30° and −90°. This is …

Feb 27, 2025 · RVH criteria: R:S ratio >1 in leads V1 and V2 AND 1 of the following Right atrial enlargement Right axis deviation RVH strain S1Q3T3 RVH is a challenging diagnosis! R:S >1 alone …

Dec 21, 2025 · EKG differential diagnosis. Differentials based on specific ECG findings. Book: ECGs for the Emergency Physician 1 and 2; LITFL ECG Library

Irregular: atrial fibrillation, MAT (multifocal atrial tachycardia), atrial flutter with variable conduction (atrial rate >240 and usually ~300). Wide complex tachycardia (VT, SVT with LBBB): see section Diagnosis …

Biventricular Hypertrophy (difficult ECG diagnosis to make) In the presence of LAE any one of the following suggests this diagnosis: R/S ratio in V5 or V6 < 1 S in V5 or V6 > 6 mm RAD (> 90 …

Nov 5, 2024 · RBBB with a prominent S-wave in Lead I suggests an additional pathology (e.g. RBBB + LPFB, RBBB + RV strain). differential diagnosis of prominent S-I Hyperkalemia. Na blocker toxicity. …

ECG Findings RVH is usually associated with right atrial enlargement or right ventricular strain (deep ST inversions in leads V1-V3) Dominant R in V1 >7mm RSR in V1 with QRS < 0.12 These criteria are …