Skip to main content

Pathology of Shock


Shock
Definition : Shock is a life threatening clinical syndrome of cardiovascular collapse characterised by hypotension and hypoperfusion.
Classification :
1.      Hypovolaemic shock : This is occur due to circulatory blood volume.
2.      Cardiogenic shock : Acute circulatory failure with sudden fall in cardiac output.
3.      Septic shock : It is occur due to severe bacterial infection.
4.      Other types : Traumatic shock, Neurogenic shock and Hypoadrenal shock.

Pathogenesis :
·         Reduced effective circulating blood volume.
·         Impaired tissue oxygenation.
·         Release of inflammatory mediators.
Morphological features : The morphologic changes in shock are due to hypoxia resulting in degeneration and necrosis of various organs like brain, heart, lungs and kidneys.
Clinical features : Very low blood pressure, subnormal temperature, feeble and irregular pulse, shallow and sighing respiration, pale face, sunken eyes, weakness, cold and clammy skin.
Complication :
·         Acute respiratory distress syndrome.
·         Disseminated intravascular coagulation.
·         Acute renal failure.
·         Multiple organ dysfunction syndrome.

Labels:

Comments

Post a Comment

Popular posts from this blog

Importance of regular exercise

Regular exercise is a crucial aspect of a healthy and fulfilling lifestyle. Not only does it provide a variety of physical health benefits, such as increased strength,endurance, and flexibility, but it also has numerous mental health benefits. In fact, a regular exercise routine has been shown to be one of the most effective ways to improve mood and reduce stress and anxiety. One of the most significant benefits of regular exercise is that it can help prevent chronic diseases like heart disease, type 2 diabetes, and certain types of cancer. It does this by improving circulation, boosting the immune system, and helping to maintain a healthy weight. Exercise can also lower blood pressure and cholesterol levels, reducing the risk of heart disease. In addition to physical health benefits, regular exercise can also improve mental health. Exercise releases endorphins, which are the body's natural "feel-good" chemicals, causing a boost in mood, and reducing symptoms of depressio...
Post a Comment
Read more

What is hair fall ?

Hair fall, also known as hair loss or alopecia, refers to the excessive shedding of hair from the scalp and other parts of the body. It Can occur due to a variety of reasons and affects both men and women of all ages. In this post, we will explore the definition, causes, symptoms, management, and prevention of hair fall. Definition: Hair fall is a condition that results in thinning and loss of hair from the scalp and other parts of the body. The hair may fall out in small patches or gradually over time. Causes: There are various reasons that can cause hair fall, which include: 1. Genetics: You are more likely to experience hair loss if it runs in your family. 2. Age: As you get older, your hair naturally becomes thinner and more prone to breakage. 3. Hormonal changes: Hormonal imbalances caused by pregnancy, menopause, or thyroid problems can lead to hair fall. 4. Poor nutrition: A diet lacking in essential nutrients such as protein, iron, and vitamins can cause hair fall. 5. Stress: C...
Post a Comment
Read more

What is Acute Dacryocystitis?

Acute Dacryocystitis:- This is an acute suppurative inflammation of the Iacrimal sac. Cause:- Obstruction in the NLD leading to stasis of secretion in the sac and secondary infection.  Clinical features:- The patient presents with sudden onset pain and swelling in the area of the sac. It may be associated with systemic features like fever.  Complications are:- Lacrimal abscess, lacrimal fistula, orbital cellulitis.  Treatment includes:-  • Systemic antibiotics and anti-inflammatory       drugs • Topical antibiotics  • Hot compression given locally  • DCR(Dacryocystorhinostomy) is done 4-6 weeks after the resolution of the acute episode. 
Post a Comment
Read more