Key result
Orthostatic changes in atrioventricular nodal conduction during atrial tachycardia can cause dizziness in the upright posture, mimicking benign orthostatic hypotension.
Highlights an unusual etiology for orthostatic dizziness involving AV nodal conduction changes during atrial tachycardia, which may be misdiagnosed as benign orthostatic hypotension.
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Suggests arrhythmia evaluation for unexplained orthostatic dizziness; case reports leave prevalence and management implications open.
Dizziness in the upright posture is a common reason to seek medical advice and is often dismissed as benign orthostatic hypotension. We present an unusual case of dizziness in the upright posture due to possible changes in atrioventricular nodal conduction during atrial tachycardia.
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Agarwal et al. (2005) studied this question. Orthostatic changes in atrioventricular nodal conduction during atrial tachycardia can cause dizziness in the upright posture, mimicking benign orthostatic hypotension.
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