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Table 13 Differential diagnosis of uncontrolled hypertension

From: 2018 Korean Society of Hypertension Guidelines for the management of hypertension: part II-diagnosis and treatment of hypertension

Causes Conditions
Inappropriate BP measurement White coat hypertension
Calcified vessel in the elderly (pseudohypertension)
Wrong cuff use, using too small cuff
Lifestyle factors Severe weight gain,
Heavy or binge drinking,
Sleep apnea syndrome
Volume overload Excess salt intake,
Volume expansion by renal diseases,
Insufficient use of diuretics
Medication Poor compliance,
Insufficient dose, or ineffective combination
Drug interaction/adverse effects Nonsteroidal anti-inflammatory drugs (NSAIDs)
Oral pills,
Herbal licorice
Secondary hypertension