Hemoptysis

Frightening to the patient and often ominous, hemoptysis is the expectoration of blood or bloody sputum from the lungs or tracheobronchial tree. It’s sometimes confused with bleeding from the mouth, throat, nasopharynx, or GI tract. (See Identifying hemoptysis.) Expectoration of 200 ml of blood in a single episode suggests severe bleeding; expectoration of 400 ml in 3 hours or more than 600 ml in 16 hours signals a life-threatening crisis.

Hemoptysis usually results from chronic bronchitis, lung cancer, or bronchiectasis. However, it may also result from inflammatory, infectious, cardiovascular, or coagulation disorders and, rarely, from a ruptured aortic aneurysm. In up to 15% of patients, the cause is unknown. The most common causes of massive hemoptysis are lung cancer, bronchiectasis, active tuberculosis, and cavitary pulmonary disease from necrotic infections or tuberculosis.

A number of pathophysiologic processes can cause hemoptysis. (See What happens in hemoptysis, page 422.)

Emergency interventions

History and physical examination

If the hemoptysis is mild, ask the patient when it began. Has he ever coughed up blood before? How much blood is he coughing up now and how often? Ask about a history of cardiac, pulmonary, or bleeding disorders. If he’s receiving anticoagulant therapy, find out which drug, its dosage and schedule, and the duration of therapy. Is he taking other prescription drugs? Does he smoke? Ask the patient if he has recently had any infections or been exposed to tuberculosis. When was his last tine test and what were the results?

Take the patient’s vital signs and examine his nose, mouth, and pharynx for sources of bleeding. Inspect the configuration of his chest and look for abnormal movement during breathing, use of accessory muscles, and retractions. Observe his respiratory rate, depth, and rhythm. Finally, examine his skin for lesions.

Next, palpate the patient’s chest for diaphragm level and for tenderness, respiratory excursion, fremitus, and abnormal pulsations; then percuss for flatness, dullness, resonance, hyperresonance, and tympany. Finally, auscultate the lungs, noting especially the quality and intensity of breath sounds. Also auscultate for heart murmurs, bruits, and pleural friction rubs.

Obtain a sputum specimen and examine it for overall quantity, for the amount of blood it contains, and for its color, odor, and consistency.

Medical causes

Aortic aneurysm (ruptured)

Rarely, an aortic aneurysm ruptures into the tracheobronchial tree, causing hemoptysis and sudden death.

Blast lung injury

Although individuals with this type of injury may not have obvious external chest injuries, they sometimes show other indications of internal damage, such as hemoptysis. Health care providers should evaluate survivors of explosive detonations for other classic signs and symptoms of a blast lung injury, such as chest pain, cyanosis, dyspnea, and wheezing. Treatment includes careful administration of fluids and oxygen to ensure tissue perfusion.

Bronchial adenoma

This insidious disorder causes recurring hemoptysis in up to 30% of patients along with a chronic cough and local wheezing.

Bronchiectasis

Inflamed bronchial surfaces and eroded bronchial blood vessels cause hemoptysis, which can vary from blood-tinged sputum to blood (in about 20% of patients). The patient typically has a chronic cough producing copious amounts of foul-smelling, purulent sputum. He may also exhibit coarse crackles, clubbing (a late sign), fever, weight loss, fatigue, weakness, malaise, and dyspnea on exertion.

Bronchitis (chronic)

The first sign of this disorder is typically a productive cough that lasts at least 3 months. Eventually this leads to production of blood-streaked sputum; massive hemorrhage is unusual. Other respiratory effects include dyspnea, prolonged expirations, wheezing, scattered rhonchi, accessory muscle use, barrel chest, tachypnea, and clubbing (a late sign).

Coagulation disorders

Such disorders as thrombocytopenia and disseminated intravascular coagulation can cause hemoptysis, multisystem hemorrhaging (for example, GI bleeding or epistaxis), and purpuric lesions.

Laryngeal cancer

Hemoptysis occurs in this cancer, but hoarseness is usually the initial sign. Other findings may include dysphagia, dyspnea, stridor, cervical lymphadenopathy, and neck pain.

Lung abscess

In about 50% of patients, this disorder produces blood-streaked sputum resulting from bronchial ulceration, necrosis, and granulation tissue. Common associated findings include a cough producing large amounts of purulent, foul-smelling sputum; fever with chills; diaphoresis; anorexia; weight loss; headache; weakness; dyspnea; pleuritic or dull chest pain; and clubbing. Auscultation reveals tubular or cavernous breath sounds and crackles. Percussion reveals dullness on the affected side.

Lung cancer

Ulceration of the bronchus commonly causes recurring hemoptysis (an early sign), which can vary from blood-streaked sputum to blood. Related findings include a productive cough, dyspnea, fever, anorexia, weight loss, wheezing, and chest pain (a late symptom).

Plague

The pneumonic form of this acute bacterial infection, caused by Yersinia pestis, can produce hemoptysis, a productive cough, chest pain, tachypnea, dyspnea, increasing respiratory distress, and cardiopulmonary insufficiency. Pneumonic plague begins abruptly with chills, fever, headache, and myalgia.

Pneumonia

In up to 50% of patients, Klebsiella pneumonia produces dark brown or red (currant-jelly) sputum, which is so tenacious that the patient has difficulty expelling it from his mouth. This type of pneumonia begins abruptly with chills, fever, dyspnea, a productive cough, and severe pleuritic chest pain. Associated findings may include cyanosis, prostration, tachycardia, decreased breath sounds, and crackles.

Pneumococcal pneumonia causes pinkish or rusty mucoid sputum. It begins with sudden shaking chills; a rapidly rising temperature; and, in over 80% of patients, tachycardia and tachypnea. Within a few hours, the patient typically experiences a productive cough along with severe, stabbing, pleuritic pain that leads to rapid, shallow, grunting respirations with splinting. Examination reveals respiratory distress with dyspnea and accessory muscle use, crackles, and dullness on percussion over the affected lung. Malaise, weakness, myalgia, and prostration accompany a high fever.

Pulmonary arteriovenous fistula

Occurring in young adults, this genetic disorder causes intermittent hemoptysis along with cyanosis, clubbing, mild dyspnea, fatigue, vertigo, syncope, confusion, and speech and visual impairments. The patient may bleed from the nose, mouth, or lips. Ruby red patches appear on the face, tongue, skin, mucous membranes, or nail beds.

Pulmonary contusion

Blunt chest trauma commonly causes a cough with hemoptysis. Other signs and symptoms that appear over several hours include dyspnea, tachypnea, chest pain, tachycardia, hypotension, crackles, and decreased or absent breath sounds over the affected area. Severe respiratory distress—with oppressive dyspnea, nasal flaring, use of accessory muscles, extreme anxiety, cyanosis, and diaphoresis—may develop at any time.

Pulmonary edema

Severe cardiogenic or noncardiogenic pulmonary edema commonly causes frothy, blood-tinged pink sputum, which accompanies severe dyspnea, orthopnea, gasping, anxiety, cyanosis, diffuse crackles, a ventricular gallop, and cold, clammy skin. This life-threatening condition may also cause tachycardia, lethargy, cardiac arrhythmias, tachypnea, hypotension, and a thready pulse.

Pulmonary embolism with infarction

Hemoptysis is a common finding in this life-threatening disorder, although massive hemoptysis is rare. Typical initial symptoms are dyspnea and anginal or pleuritic chest pain. Other common clinical features include tachycardia, tachypnea, low-grade fever, and diaphoresis. Less common features include splinting of the chest, leg edema, and—with a large embolus—cyanosis, syncope, and jugular vein distention. Examination reveals decreased breath sounds, pleural friction rub, crackles, diffuse wheezing, dullness on percussion, and signs of circulatory collapse (weak, rapid pulse and hypotension), cerebral ischemia (transient loss of consciousness and seizures), and hypoxemia (restlessness and, particularly in elderly patients, hemiplegia and other focal neurologic deficits).

Pulmonary hypertension (primary)

Hemoptysis, exertional dyspnea, and fatigue generally develop late in this disorder. Angina-like pain usually occurs with exertion and may radiate to the neck but not to the arms. Other findings include arrhythmias, syncope, cough, and hoarseness.

Pulmonary tuberculosis

Blood-streaked or blood-tinged sputum commonly occurs in this disorder; massive hemoptysis may occur in advanced cavitary tuberculosis. Accompanying respiratory findings include a chronic productive cough, fine crackles after coughing, dyspnea, dullness on percussion, increased tactile fremitus and, possibly, amphoric breath sounds. The patient may also develop night sweats, malaise, fatigue, fever, anorexia, weight loss, and pleuritic chest pain.

Silicosis

This chronic disorder causes a productive cough with mucopurulent sputum that later becomes blood streaked. Occasionally, massive hemoptysis may occur. Other findings include fine end-inspiratory crackles at lung bases, exertional dyspnea, tachypnea, weight loss, fatigue, and weakness.

Systemic lupus erythematosus

In 50% of patients with this disorder, pleuritis and pneumonitis cause hemoptysis, a cough, dyspnea, pleuritic chest pain, and crackles. Related findings are a butterfly rash in the acute phase, nondeforming joint pain and stiffness, photosensitivity, Raynaud’s phenomenon, seizures or psychoses, anorexia with weight loss, and lymphadenopathy.

Tracheal trauma

Torn tracheal mucosa may cause hemoptysis, hoarseness, dysphagia, neck pain, airway occlusion, and respiratory distress.

Wegener’s granulomatosis

Necrotizing, granulomatous vasculitis characterizes this multisystem disorder. Findings include hemoptysis, chest pain, cough, wheezing, dyspnea, epistaxis, severe sinusitis, and hemorrhagic skin lesions.

Other causes

Diagnostic tests

Lung or airway injury from bronchoscopy, laryngoscopy, mediastinoscopy, or lung biopsy can cause bleeding and hemoptysis.

Special considerations

Comfort and reassure the patient, who may react to this alarming sign with anxiety and apprehension. If necessary, to protect the nonbleeding lung, place him in the lateral decubitus position, with the suspected bleeding lung facing down. Perform this maneuver with caution because hypoxemia may worsen with the healthy lung facing up.

Prepare the patient for diagnostic tests to determine the cause of bleeding. These may include a complete blood count, a sputum culture and smear, chest X-rays, coagulation studies, bronchoscopy, lung biopsy, pulmonary arteriography, and a lung scan.

Pediatric pointers

Hemoptysis in children may stem from Goodpasture’s syndrome, cystic fibrosis, or (rarely) idiopathic primary pulmonary hemosiderosis. Sometimes no cause can be found for pulmonary hemorrhage occurring within the first 2 weeks of life; in such cases, the prognosis is poor.

Geriatric pointers

If the patient is receiving anticoagulants, determine any changes that need to be made in his diet or medications (including over-the-counter drugs and natural supplements) because these factors may affect clotting.

Patient counseling

Hemoptysis usually ceases gradually during treatment of the causative disorder. Many chronic disorders, however, cause recurrent hemoptysis. Instruct the patient to report recurring episodes and to bring a sputum specimen containing blood if he returns for treatment or reevaluation.

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Book Source Details

• Book Title: Professional Guide to Signs & Symptoms (Fifth Edition)
• Author(s): Springhouse
• Year of Publication: 2006
• Copyright Details: Professional Guide to Signs & Symptoms (Fifth Edition), Copyright © 2006 Lippincott Williams & Wilkins.

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