Multifactorial Model and Treatment Approaches of Refractory Hypotension in a Patient Who Took an ACE Inhibitor the Day of Surgery

<table>A Description of how ACEI/ARB block the RAS system and adrenergic pathway allowing only vasopressin to regulate blood pressure. (angiotensin-converting enzyme inhibitor) ACEI; (angiotensin receptor blocker) ARB.</table>

Case Reports in Anesthesiology

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Figure 2

Figure 2: Multifactorial Model and Treatment Approaches of Refractory Hypotension in a Patient Who Took an ACE Inhibitor the Day of Surgery 