Types of Circulatory Shock | Types of Shock | Emergency Medicine Lecture | V-Learning™ | sqadia.com

Around 1.2 million people die annually in the United States due to Circulatory Shock. But do you know its types and what factors give rise to it? Find out right now in this video!

Circulatory shock is the term given to acute or subacute progressive generalized circulatory failure with an abnormal microcirculation and underperfusion of vital organs.

Types of Shock can be listed as:
🟡 Hypovolemic Shock
🟡 Cardiogenic Shock
🟡 Hormonal Shock
🟡 Anaphylactic Shock
🟡 Septic Shock
🟡 Neurogenic Shock

▬ 📃 Hypovolemic shock ▬▬▬▬▬▬▬▬▬▬
Hypovolemic shock is a condition of inadequate organ perfusion caused by loss of intravascular volume, usually acute. The result is a drop in cardiac preload to a critical level and reduced macro- and microcirculation, with negative consequences for tissue metabolism and the triggering of an inflammatory reaction.

▬ 📜 Cardiogenic Shock ▬▬▬▬▬▬▬▬▬▬
Cardiogenic shock is primarily a disorder of cardiac function in the form of a critical reduction of the heart’s pumping capacity, caused by systolic or diastolic dysfunction leading to a reduced ejection fraction or impaired ventricular filling.

The cardiac dysfunction may be due to myocardial, rhythmological, or mechanical causes.

▬ 📃 Hormonal Shock ▬▬▬▬▬▬▬▬▬▬
Hormonal imbalances occur when there is too much or too little of a hormone in the bloodstream. Because of their essential role in the body, even small hormonal imbalances can cause side effects throughout the body.

This occurs in:
🔵 Addisonian Crisis
🔵 Thyroid Coma
🔵 Parathyroid
🔵 Diabetic Coma

▬ 📜 Anaphylactic Shock ▬▬▬▬▬▬▬▬▬▬
Anaphylactic shock is characterized by massive histamine-mediated vasodilation and maldistribution with a shift of fluid from the intravascular to the extravascular space.

Anaphylaxis is an acute systemic reaction usually mediated by IgE-dependent hypersensitivity reactions. The central role is played by mast cells and the histamine they release.

▬ 📃 Septic Shock ▬▬▬▬▬▬▬▬▬▬
Septic shock is a life-threatening condition that happens when your blood pressure drops to a dangerously low level after an infection. Any type of bacteria can cause the infection. Fungi such as candida and viruses can also be a cause, although this is rare. At first, the infection can lead to a reaction called sepsis.

▬ 📜Neurogenic Shock ▬▬▬▬▬▬▬▬▬▬
Neurogenic shock is a state of imbalance between sympathetic and parasympathetic regulation of cardiac action and vascular smooth muscle. The dominant signs are profound vasodilation with relative hypovolemia while blood volume remains unchanged, at least initially.

All the Types and their related causes are discussed correspondingly in the video so must check that out for a detailed picture!

▬ 📃 Pathophysiology of Shock ▬▬▬▬▬▬▬▬▬▬
Shock is an acute widespread reduction in effective tissue perfusion that invokes an imbalance of oxygen supply and demand, anaerobic metabolism, lactic acidosis, cellular and organ dysfunction, metabolic abnormalities, and if prolonged, irreversible damage and death.

A flow chart has been shown in the video to make your learning more interesting and easier so do not forget to check that out in the video!

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