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DrBeen Corp

  • Aldosterone
  • Angiotensin II
  • Angiotensin-Converting Enzyme Inhibitors
  • Hypotension
  • Thirst

Renin Angiotensin Aldosterone System (RAAS) (PM 13)

To understand how ACE inhibitors and ARBs work, we must first ground ourselves in the fundamental mechanisms of the Renin-Angiotensin-Aldosterone System (RAAS). In this lecture, we’ll focus entirely on how this hormonal system regulates blood pressure, fluid balance, and vascular resistance. We’ll explore the physiological triggers for its activation, the sequence of molecular events, and how chronic activation contributes to disease. Once we’ve established these foundational concepts, we’ll be well-positioned to discuss the pharmacology of drugs that target RAAS in the next session. Learning Objectives: Describe the physiological role of the RAAS pathway in maintaining circulatory homeostasis.  Identify the key stimuli for RAAS activation (e.g., hypotension, hypovolemia, sympathetic input).  Outline the sequence of events in the RAAS cascade—from renin secretion to aldosterone action.  Explain the effects of angiotensin II on vascular smooth muscle, the adrenal cortex, and CNS regulation of thirst and ADH.  Discuss early pathological consequences of sustained RAAS activation, such as vasoconstriction and sodium retention. Differentiate between short-term adaptive roles of RAAS and long-term maladaptive consequences, preparing for next lecture’s focus on pharmacological modulation..

Credit & MOC Details

Credit information is provided by the course provider. We recommend confirming credit eligibility with the provider or your licensing board before starting the activity.

Credit types

AMA PRA Category 1 Credit™Up to 1 credit

MOC types

No MOC

FDA REMS

No

Qualifies for MIPS

No

Target Specialties

Pricing

Membership pricing — $20–650

This provider prices CME through membership. Individual courses may also be sold separately.

Free membership available for some groups

See plans on members.drbeen.com

Listed by the provider · members.drbeen.com

  • On-demand / recorded video
  • Credit · Up to 1 credit
  • Membership pricing
  • Released
    Nov 18, 2025
  • Last day to claim credit
    Nov 18, 2028 2 years left

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