Related Experiment Video
Updated: Jun 2, 2026

06:08
A Novel Method: Super-selective Adrenal Venous Sampling
Published on: September 15, 2017
Pheochromocytoma induced hypertension
1Cooper Green Mercy Hospital, Birmingham, AL 35233, USA. andrewsd@jccal.org
Journal of National Black Nurses' Association : JNBNA
|April 27, 2011
Summary
Pheochromocytoma, a rare tumor affecting adrenal glands, causes severe hypertension and can lead to heart damage. Early detection is crucial for managing this condition and preventing life-threatening complications.
Area of Science:
- Endocrinology
- Cardiology
- Oncology
Background:
- Pheochromocytoma (Pheo) is a rare tumor originating in chromaffin cells.
- Its symptoms mimic the sympathetic nervous system, complicating early diagnosis.
- Hypertension is a primary effect, potentially leading to hypertensive crisis, stroke, and arrhythmias.
Purpose of the Study:
- To highlight the cardiac effects of pheochromocytoma.
- To emphasize the diagnostic challenges and delayed detection of pheochromocytoma.
- To inform healthcare professionals, particularly nurses, about recognizing and managing pheochromocytoma.
Main Methods:
- Review of clinical presentation and effects of pheochromocytoma.
- Discussion of differential diagnoses complicating pheochromocytoma identification.
- Emphasis on the importance of nursing awareness and patient advocacy.
Main Results:
- Pheochromocytoma can cause significant cardiac damage, including heart muscle damage and congestive heart failure.
- Delayed diagnosis is common due to non-specific symptoms and overlapping conditions.
- African-Americans face disproportionate hypertension rates, potentially exacerbating undiagnosed pheochromocytoma cases.
Conclusions:
- Pheochromocytoma poses serious risks, including heart failure, diabetes, and mortality.
- Nurses play a critical role in recognizing symptoms, advocating for patients, and providing support.
- Prompt diagnosis and management are essential for improving patient outcomes and preventing long-term complications.
Related Concept Videos
Disorders of the Autonomic Nervous System
The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's phenomenon, is a...
Raynaud's disease, also known as Raynaud's phenomenon, is a...
Hypertension III: Clinical Manifestations and Diagnostic Studies
Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
Hypertension and Regulation of Blood Pressure
Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
Alterations in Blood Pressure
Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart beats)...
Hypertension (High blood pressure)
Hypertension occurs when blood pressure readings consistently exceed the normal range. It is diagnosed when systolic blood pressure (the top number, indicating pressure while the heart beats)...
Hypertension II: Pathophysiology
Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
Hormonal Regulation of Blood Pressure
Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction while...
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction while...