Chapter 73 Epistaxis Flashcards

(16 cards)

1
Q

What is the definition of epistaxis?

A

Epistaxis is a common problem experienced by most individuals, occurring in 60% of the population

It is a common reason for emergency admission to otolaryngology services.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What are the common causes of epistaxis?

A
  • Nasal trauma
  • Rhinitis
  • Drying of nasal mucosa
  • Nasal septum deviation
  • Alcohol use
  • Chemical irritants (e.g., cocaine)

Some individuals may have fragile mucous membranes that predispose them to nosebleeds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is the incidence of epistaxis in different age groups?

A
  • Highest in individuals younger than 10 years
  • Highest in individuals over the age of 40

Most nosebleeds are idiopathic.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where do 90% to 95% of nosebleeds occur?

A

Within the Kiesselbach plexus on the anterior nasal septum

This plexus is particularly vulnerable and easily injured.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What are the clinical presentations of anterior and posterior epistaxis?

A
  • Anterior: Unilateral, continuous moderate bleeding
  • Posterior: Bilateral, severe bleeding, difficult to treat

Bleeding into the pharynx indicates posterior epistaxis.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What should be done first when managing a patient with epistaxis?

A

Check vital signs and ensure airway safety

The patient should be instructed to sit up straight and tilt the head forward.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the recommended duration for applying pressure to the nose during epistaxis management?

A

15 minutes

This technique is often successful for anterior nosebleeds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the types of nasal packing used in epistaxis management?

A
  • Merocel
  • Rapid Rhino

Proper insertion is important to reduce bleeding.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the role of vasoconstrictors in epistaxis management?

A

Short-acting topical nasal decongestants may help stop blood flow

OxyMetazoline is commonly used and has limited systemic absorption.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What are the essential diagnostics for severe epistaxis?

A
  • Complete blood count (CBC)
  • Type and screen/crossmatch
  • Prothrombin time and international normalized ratio

Additional studies may be needed if the patient is hemodynamically unstable.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are the priority differential diagnoses for epistaxis?

A
  • Hypertension
  • Anticoagulants (e.g., warfarin)
  • Nasal steroids/allergic rhinitis
  • Cocaine use
  • Presence of a neoplasm

Other systemic factors should also be considered.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is the initial treatment for anterior epistaxis?

A

Application of direct pressure to the anterior portion of the nose for 15 minutes

The Kiesselbach plexus is the most common source of epistaxis.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What are the complications associated with epistaxis treatment?

A
  • Respiratory compromise
  • Hypotension
  • Anemia
  • Necrosis
  • Abscess formation
  • Septal perforation
  • Sinus infection

Toxic shock syndrome has been reported as a complication of nasal packing.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What should patients avoid after an epistaxis episode?

A
  • Vigorous exercise
  • Aspirin-containing medications
  • Tobacco
  • Hot, spicy foods

These can cause vasodilation and increase the risk of bleeding.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

True or false: Antibiotics are routinely recommended for all patients with anterior nasal bleeds.

A

FALSE

Individualized care is key; some patients may benefit from antibiotics.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What emerging treatment is being studied for epistaxis management?

A

Topical tranexamic acid, an antifibrinolytic agent

Research has shown promising results, but more studies are needed.