Related Experiment Video
Updated: Jul 16, 2026
08:45
Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
Published on: May 10, 2022
[Iron-deficiency anemia and gastrointestinal bleeding]
A Rüfer1, D Criblez, W A Wuillemin
1Departement Innere Medizin, Spezialmedizin 1 (Gastroenterologie, Hämatologie, Infektiologie, Nephrologie), Kantonsspital Luzern, Luzern.
Therapeutische Umschau. Revue Therapeutique
|June 3, 2006
Summary
Iron-deficiency anemia is a common global disorder often caused by blood loss. Identifying the underlying cause is crucial for patient well-being, alongside iron repletion.
Area of Science:
- Hematology
- Internal Medicine
- Nutritional Science
Context:
- Iron-deficiency anemia is the most prevalent hematological disorder worldwide.
- Blood loss, particularly gastrointestinal bleeding, is a primary cause in adults.
- Anemia symptoms can be compounded by direct iron effects on the central nervous system.
Purpose:
- To discuss the physiology of iron homeostasis and iron-deficiency anemia.
- To outline clinical presentation, diagnosis, and differential diagnosis strategies.
- To review therapeutic options for iron repletion.
Summary:
- Key diagnostic tools include hemoglobin, hematocrit, mean corpuscular volume (MCV), and serum ferritin.
- Serum ferritin levels require C-reactive protein (CRP) analysis to account for inflammatory elevations.
- Oral iron therapy is standard; parenteral iron is indicated for intolerance, malabsorption, or non-compliance.
Impact:
- Highlights the critical need to investigate underlying causes of iron deficiency beyond simple iron repletion.
- Provides a comprehensive overview for clinicians managing iron-deficiency anemia.
- Emphasizes accurate diagnosis and tailored treatment strategies for improved patient outcomes.
Related Concept Videos
01:27Disorders of Erythrocytes
Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
01:24Disorders of Hemostasis
Hemostasis, the process that stops bleeding after a blood vessel injury, is crucial for maintaining the integrity of the circulatory system. However, disorders of hemostasis can disrupt this delicate balance, leading to either excessive clotting or bleeding. These disorders can be broadly classified into thromboembolic disorders and bleeding disorders.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
Thromboembolic Disorders
Two factors primarily cause thromboembolic conditions.
01:28Esophageal Varices-II: Clinical Features and Management
Esophageal varices often manifest as gastrointestinal bleeding episodes, presenting symptoms like hematemesis (vomiting of blood), hematochezia (passing fresh blood via the rectum), and melena (black, tarry stools). Other signs can include weight loss, anorexia, abdominal discomfort, jaundice, pruritus, altered mental status, and muscle cramps.
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
In the initial assessment, a thorough review of the patient's medical history is vital to identify risk factors such as liver disease, alcohol abuse, or...
01:27Inflammatory Bowel Disease I: Ulcerative Colitis
Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
01:25Factors Influencing Drug Absorption: Disease States and Pharmacology
Multiple disease states can significantly influence the oral drug absorption process by affecting blood flow and the functionality of the gastrointestinal (GI) system. Various GI diseases, including conditions that alter GI motility, such as diarrhea, decreased acid secretions (achlorhydria), and infections, have been associated with reduced drug absorption.
Substances such as alcohol and specific drugs, including antineoplastics, can also negatively impact drug absorption. For instance,...
Substances such as alcohol and specific drugs, including antineoplastics, can also negatively impact drug absorption. For instance,...
01:20Inflammatory Bowel Disease IV: Clinical Manifestations
Inflammatory bowel disease (IBD) encompasses two major chronic disorders—ulcerative colitis and Crohn’s disease—each characterized by relapsing episodes of gastrointestinal inflammation. Although they share certain clinical features, their patterns of involvement and manifestations differ in ways that aid diagnosis and guide management.Ulcerative ColitisUlcerative colitis is limited to the colon and rectum and involves continuous inflammation of the mucosal layer. The disease course is marked...