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Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
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Related Experiment Video

Updated: May 31, 2026

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
08:35

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

Published on: May 26, 2022

Reninoma presenting as cardiac syncope.

Shahid I Tak1, Mohd Lateef Wani, Khursheed A Khan

  • 1Department of Cardiology, Sher-i-Kashmir Institute of Medical Sciences, Srinagar, India.

Annals of Pediatric Cardiology
|June 17, 2011
PubMed
Summary
This summary is machine-generated.

Reninoma, a rare kidney tumor, can cause secondary hypertension in children. This case highlights a renin-secreting tumor presenting as cardiac syncope due to hypokalemia.

Keywords:
Hypokalemiareninomasecondary hypertension

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Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.
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Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.

Published on: February 14, 2018

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Last Updated: May 31, 2026

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
08:35

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

Published on: May 26, 2022

Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.
11:08

Novel Approach for Simultaneous Recording of Renal Sympathetic Nerve Activity and Blood Pressure with Intravenous Infusion in Conscious, Unrestrained Mice.

Published on: February 14, 2018

Area of Science:

  • Pediatric Endocrinology
  • Nephrology
  • Cardiology

Background:

  • Reninoma is a rare, surgically curable cause of secondary hypertension in pediatric patients.
  • Juxtaglomerular cell tumors can secrete excess renin, leading to elevated blood pressure.

Observation:

  • A pediatric case presented with cardiac syncope, an unusual manifestation.
  • Electrocardiogram revealed a prolonged QTc interval, indicative of cardiac electrical instability.

Findings:

  • The cardiac syncope and prolonged QTc were attributed to severe hypokalemia.
  • The hypokalemia was a consequence of excessive renin secretion from a reninoma.

Implications:

  • This case underscores the importance of considering reninoma in children with unexplained hypertension and hypokalemia.
  • Early diagnosis and surgical treatment of reninoma can prevent serious cardiac complications.
  • Highlights the link between endocrine tumors, electrolyte imbalances, and cardiac events in pediatrics.