Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Oxygen Transport in the Blood01:27

Oxygen Transport in the Blood

7.9K
Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
7.9K
Disorders of Leukocytes01:27

Disorders of Leukocytes

2.3K
Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune...
2.3K
Hypoxia01:23

Hypoxia

2.5K
Hypoxia is a medical condition characterized by an inadequate oxygen supply to body tissues. It typically manifests as a bluish discoloration of the skin and mucosae, especially in fair-skinned individuals, when hemoglobin (Hb) saturation drops below 75%.
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
2.5K
Pneumothorax-I01:26

Pneumothorax-I

1.9K
A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
1.9K
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

3.0K
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
3.0K
Disorders of Erythrocytes01:27

Disorders of Erythrocytes

2.7K
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...
2.7K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same journal

[Allergy to Αlpha-1 Adrenergic Agonists in Different Formulations: A Case Report].

Acta medica portuguesa·2026
Same journal

[Presence of Dermatologists on Social Media: Perception of the Portuguese Population].

Acta medica portuguesa·2026
Same journal

[Sexual Health in Oncology Patients and Cancer Survivors: A Structured Protocol to Address an Unmet Clinical Need at IPO-Porto].

Acta medica portuguesa·2026
Same journal

Hyperthermia in a Teenager: Is it Just a Heat Stroke?

Acta medica portuguesa·2026
Same journal

Cutaneous Polyarteritis Nodosa as the Inaugural Manifestation of Hairy Cell Leukemia.

Acta medica portuguesa·2026
Same journal

Alopecia Neoplastica from Breast Carcinoma: When Hair Loss Hides Something Else.

Acta medica portuguesa·2026

Related Experiment Video

Updated: Mar 14, 2026

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury
14:48

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury

Published on: March 21, 2021

5.6K

[Oxygen Leukocyte Larceny].

Miguel Pinto da Costa1, Henrique Pimenta Coelho2

  • 1Serviço de Patologia Clínica. Centro Hospitalar de Vila Nova de Gaia/Espinho. Vila Nova de Gaia.

Acta Medica Portuguesa
|September 21, 2016
PubMed
Summary
This summary is machine-generated.

This case study highlights oxygen leukocyte larceny, a rare condition where high white blood cell counts falsely lower oxygen saturation readings, masking true oxygen levels in patients with chronic lymphocytic leukemia.

More Related Videos

Robotic-assisted Left Pneumonectomy For Vanishing Lung Syndrome
07:27

Robotic-assisted Left Pneumonectomy For Vanishing Lung Syndrome

Published on: January 23, 2026

375
Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry
08:23

Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry

Published on: November 5, 2019

10.5K

Related Experiment Videos

Last Updated: Mar 14, 2026

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury
14:48

Visualizing Lung Cellular Adaptations during Combined Ozone and LPS Induced Murine Acute Lung Injury

Published on: March 21, 2021

5.6K
Robotic-assisted Left Pneumonectomy For Vanishing Lung Syndrome
07:27

Robotic-assisted Left Pneumonectomy For Vanishing Lung Syndrome

Published on: January 23, 2026

375
Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry
08:23

Characterization of Sickling During Controlled Automated Deoxygenation with Oxygen Gradient Ektacytometry

Published on: November 5, 2019

10.5K

Area of Science:

  • Hematology
  • Pulmonology
  • Critical Care Medicine

Background:

  • A 60-year-old male with B-cell chronic lymphocytic leukemia (CLL) presented with dyspnea.
  • Initial assessment revealed severe anemia and significant hyperleukocytosis.

Observation:

  • Despite initial improvement in anemia and dyspnea post-transfusion, arterial blood gas (ABG) analysis showed critically low oxygen saturation (~46%).
  • These ABG findings were inconsistent with clinical presentation and pulse oximetry (~87%) and unresponsive to oxygen therapy.

Findings:

  • The discrepancy was attributed to oxygen leukocyte larceny, a phenomenon where leukocytes consume oxygen, leading to falsely low measured saturation.
  • This occurs due to extremely high circulating leukocyte counts, common in certain hematologic malignancies like CLL.

Implications:

  • Oxygen leukocyte larceny can lead to misdiagnosis and inappropriate clinical management due to misleading ABG results.
  • Awareness of this phenomenon is crucial for clinicians managing patients with hyperleukocytosis, particularly those with hematologic malignancies.