The dynamics uncovered during the analysis of a thirty-two-year-old man suffering from hypertension are presented in pertinent detail. With the resolution of his conflicts his arterial pressure became normal. Strong Oedipal conflicts, with predominant homosexual components, were found. At the pregenital level, narcissistic anal-sadistic and oral-masochistic wishes were prominent. Attainment of vasomotor stability seems to have been accomplished by a process of reëducation through analytic insight. 'Emotional hypertension' is stressed as the precursor of fully developed essential hypertension with its disastrous sequelæ. Psychotherapy is deemed particularly indicated in those cases of emotional hypertension which exhibit a frustrated or inhibited sexuality.