Top
20
Doctor insights on: Anaphylaxis Physiology

Share
1

1
Cardiac arrest v.S.Respiratory failure, what's the difference?

Cardiac arrest v.S.Respiratory failure, what's the difference?

See below: This refers in general to what the primary underlying problem is. Cardiac arrest means that the main problem was the heart, whereas respiratory failure suggests that the main problem was the lungs. ...Read more

Dr. Kristin Sokol
191 doctors shared insights

Anaphylactic Shock (Definition)

Anaphylaxis is a severe, whole-body allergic reaction to a chemical that has become an allergen. After being exposed to a substance such as bee sting venom, the person's immune system becomes sensitized to it. When the person is exposed to that allergen again, an allergic reaction may occur. Anaphylaxis happens quickly after the exposure, is severe, and ...Read more


2

2
Patho physiology of heart failure in anemi?

Patho physiology of heart failure in anemi?

--: Anemia means low oxygen carrying agents in the blood and this is then compounded with the heart effort to maintain the oxygen delivery to other organs especially the brain by increasing its cardiac output -- and in the presence of a weak heart or other stress factor such as trauma or infection, the heart is overwhelmed and congestive heart failure ensues. ...Read more

5

5
Why is paradoxical bronchospasms life threatening?

Why is paradoxical bronchospasms life threatening?

No breath: The spasms limit your bodies ability to get oxygen in to the system. ...Read more

6

6
What type of allergy makes the most childhood anaphylactic reactions?

What type of allergy makes the most childhood anaphylactic reactions?

Food allergies: Food allergens are the most common causes of childhood anaphylactic reactions with peanuts, tree nuts, fish, shellfish, cow's milk, soy and eggs being among the most common. Stinging insects, medications and latex rubber are also among the more common causes. ...Read more

See 1 more doctor answer
7

7
Can an adrenaline rush prevent anaphylaxis shock?

Can an adrenaline rush prevent anaphylaxis shock?

Good point: Adrenaline ideally stops the progression of anaphylaxis, but once you are going through an anaphylactic reaction, it is hard to draw on your inner stores of adrenaline to counter act it. Injectable Epinephrine helps. ...Read more

8

8
What is the pollen cardiac rehab initiative?

What is the pollen cardiac rehab initiative?

Never heard of it: I am not aware of such initiative, doing an internet search does not yield any results. ...Read more

See 1 more doctor answer
9

9
What occurs during anaphalactic shock?

What occurs during anaphalactic shock?

Hives, angioedema..: Immune and non-immunologic pathways leading react aggressively, leading to airway constriction with increased mucous secretion and airway edema. Vasodilation occurs with cardiac dysfunction and/or depression leading to cardiovascular collapse, hypotension, shock and increased vascular permeability. Hives and itching (urticaria), which can occur with or without the onset of shock. ...Read more

10

10
Molecular action of adrenaline on cardiac contraction?

Molecular action of adrenaline on cardiac contraction?

Epinephrine: It is a direct beta receptor stimulant and increases contractility. It also has Alpha stimulation and raises peripheral vascular resistance. ...Read more

11

11
What is idiopathic anaphylaxis?

What is idiopathic anaphylaxis?

Unknown cause: Anaphylaxis is the most severe type of allergic reaction and can be life threatening. Anaphylaxis means that after a thorough evaluation for a cause of anaphylaxis the cause still remains unknown. This represents about 66% of all cases of anaphylaxis. ...Read more

12

12
Why is adrenaline contraindicated in hypotensive shock?

Why is adrenaline contraindicated in hypotensive shock?

It's not: But typically you want to volume resuscitate prior to using a pressor like Epinephrine or norepinephrine because that typically fixes the problem. ...Read more

13

13
Does chronic hives signal possible future anaphylaxis reaction?

No: These are two separate entities. It is often difficult to identify the cause of chronic hives, and less often for anaphylaxis. But unlike some other allergic phenomena, there is no progression from hives to anaphylaxis. The best step you can take is to see an allergist to try to understand why you're having hives. ...Read more

14

14
22yr female. Experience the following symptoms: angioedema, chronic urticaria, anaphylaxis, bone/muscle pain etc, is this systemic mastocytosis?

22yr female. Experience the following symptoms: angioedema, chronic urticaria, anaphylaxis, bone/muscle pain etc, is this systemic mastocytosis?

Serum tryptase level: You're certainly describing an entity that sounds histamine mediated but of course can be due to other causes and mediators. Does she have urticaria pigmentosa? Have you done a serum tryptase level? To my knowledge the one definitive diagnostic is a bone marrow bx. The other lab i look at to asses a histamine mediated process is anti high affinityfc epsilon receptor antibodies. Any meds? ...Read more

See 1 more doctor answer
15

15
Does every urticaria and angiodema case end up in anaphilaxis shock?

Does every urticaria and angiodema case end up in anaphilaxis shock?

Depends on the cause: This depends on the cause. Most cases do not , however, food and drug allergy has potential to cause severe reactions. An accurate diagnosis is important to help determine risk. ...Read more

See 1 more doctor answer
16

16
Tomato allergy - unique? Typical reactions?

Tomato allergy - unique? Typical reactions?

Unusual: The most common food allergies are egg, milk, wheat, soy, peanuts, tree nuts, fish and shell fish. Tomato allergy is unusual but possible. ...Read more

17

17
How common is anaphylaxis shock with cephalosporin?

Uncommon: Anaphylaxis to cephalosporins is an uncommon event. Among patients with penicillin allergy estimates of allergic reactions to cephalosporins range from 2 to 10%. ...Read more

See 1 more doctor answer
18

18
Is death outcome of morphine allergy?

Is  death outcome of morphine allergy?

Possible: It is unclear if true IgE morphine allergy exist. Narcotics are non specific irritants of mast cells and can cause these allergy cells to release their mediators and cause allergy symptoms. Having said that any medicine when used has the potential to cause untoward reactions and narcotics in particular are very dangerous medications that need to be carefully prescribed and monitored when used ...Read more

See 1 more doctor answer
19

19
How is vasovagal syncope related to the autonomic nervous system?

How is vasovagal syncope related to the autonomic nervous system?

Affects organs: Vagus nerve can affect heart rate and blood pressure resulting in fainting. Vaso (= blood vessel) vagal (=vagus nerve). ...Read more

See 1 more doctor answer
Dr. Tanya Russo
1 doctor shared a insight

Severe Allergic Reaction (Anaphylactic Shock) (Definition)

A severe, potentially life-threatening allergic reaction. ...Read more