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Related Concept Videos

Hyperosmolar Hyperglycemic State01:21

Hyperosmolar Hyperglycemic State

Hyperosmolar Hyperglycemic State, or HHS, is a serious and life-threatening complication of type 2 diabetes mellitus. It is characterized by three main features: severe hyperglycemia, profound dehydration, and elevated serum osmolality, all occurring without significant ketoacidosis.HHS typically develops in older adults or individuals with limited access to fluids. This may result from illness, cognitive impairment, or medications such as diuretics or corticosteroids. These factors reduce...
Hypoxia01:23

Hypoxia

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...
Toxidromes: Clinical Features01:30

Toxidromes: Clinical Features

Toxidromes are specific patterns of symptoms resulting from toxic substance exposure. They help in the identification and treatment of poisoning. The symptoms of each toxidrome group indicate poisoning by a certain class of chemicals or drugs.1. Sympathomimetic: Stimulates the sympathetic nervous system. Symptoms include agitation, increased heart rate (HR), blood pressure (BP), respiratory rate (RR), temperature, and pupil size. Drugs like cocaine and amphetamines, along with tremors and...
Disorder of Water Balance01:29

Disorder of Water Balance

Water balance disorders are medical conditions that occur when there is a deviation from the body's water volume or osmolarity, disrupting normal homeostasis and leading todehydration, hypotonic hydration, hyperhydration, edema, or water intoxication.
Dehydration
Dehydration occurs when the body loses fluids (particularly water).
Causes:
The major causes of dehydration include excessive sweating, fever, vomiting, diarrhea, and diuresis.
Signs and Symptoms:
Symptoms primarily include intense...
Heart Failure III: Clinical Manifestations01:26

Heart Failure III: Clinical Manifestations

Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
Hypertension III: Clinical Manifestations and Diagnostic Studies01:30

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...

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Related Experiment Video

Updated: May 17, 2026

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
05:32

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device

Published on: November 24, 2016

Hematohidrosis: A rare clinical entity.

Raksha M Patel1, Stuti Mahajan

  • 1Department of Skin and VD, Government Medical College, Vadodara, Gujarat, India.

Indian Dermatology Online Journal
|November 7, 2012
PubMed
Summary
This summary is machine-generated.

Hematohidrosis, a rare condition of sweating blood, was diagnosed in a 13-year-old boy. This case highlights the clinical presentation and diagnostic confirmation of this unexplained phenomenon.

Keywords:
Hematohidrosisbloodsweat

Related Experiment Videos

Last Updated: May 17, 2026

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device
05:32

A Detailed Protocol for Perspiration Monitoring Using a Novel, Small, Wireless Device

Published on: November 24, 2016

Area of Science:

  • Dermatology
  • Rare Diseases
  • Clinical Case Study

Background:

  • Hematohidrosis is an extremely rare condition characterized by the excretion of blood through intact skin.
  • The exact etiology of hematohidrosis remains unknown, with limited documented cases worldwide.

Observation:

  • A 13-year-old male presented with spontaneous episodes of blood sweating from the skin.
  • The bleeding ceased immediately upon wiping, reappearing shortly, confirming it as sweat rather than traumatic bleeding.
  • Standard coagulation tests (bleeding time, clotting time, prothrombin time) were within normal limits.

Findings:

  • Clinical diagnosis of hematohidrosis was established by exclusion.
  • Diagnostic confirmation was achieved through the benzidine test, along with biochemical and microscopic examination of the excreted fluid.
  • The patient's blood work, including bleeding time, clotting time, and prothrombin time, showed no abnormalities.

Implications:

  • This case contributes to the limited medical literature on hematohidrosis, emphasizing diagnostic criteria.
  • Currently, no established treatment exists for hematohidrosis, necessitating further research into its causes and potential therapies.
  • Psychological stress is considered a potential trigger, suggesting a possible psychosomatic component requiring further investigation.