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Symptoms and Signs – Differential Diagnosis of edema of the Arm
Edema of the arm
Arm edema is the consequence of prolonged accumulation of interstitial fluid in the arm. It can occur either unilaterally or bilaterally and may progress either slowly or suddenly. The condition can be worsened by lack of movement and relieved by raising the arm and increasing physical activity.
Edema in the arm indicates a specific fluid imbalance between the blood vessels and the gaps between tissues. Please refer to Understanding Fluid Balance on page 278. It often occurs as a consequence of trauma, venous diseases, poisons, or specific medicinal therapies.
Acute medical interventions
Detach rings, bracelets, and watches from the surgically impacted arm of the patient. Some of these objects may function as a tourniquet. Verify that the patient's sleeves do not impede the drainage of fluids or the circulation of blood.
Histories and Physical Assessment
An initial inquiry to make while obtaining the patient's medical history is, "What is the duration of your arm's swelling?" Next, ascertain whether the patient is experiencing arm pain, numbness, or tingling. Are exercise and arm elevation effective in reducing edema? Inquire specifically about any recent arm injuries, such as burns or bug bites. In addition, record any recent intravenous therapy, surgical procedures, or radiation therapy for breast cancer.
The severity of the edema can be determined by comparing the dimensions and symmetry of both arms. For precise girth determination, use a tape measure and indicate the precise location of the measurement to facilitate further comparison measures. Ensure to record if the swelling is localized or spread to both sides, and examine for the presence of pitting. (Refer to page 279 of Edema: Pitting or Nonpitting?.) Then, analyze and contrast the hue and temperature of each arm. Inspect for redness and ecchymoses, as well as for wounds indicative of injury. Assess and contrast the radial and brachial pulses via palpation. Assess for arm soreness and reduced feeling or motion. Elevate the arm if you encounter indications of neurovascular impairment.
Medical Causes
Angioneurotic edema
Angioneurotic edema is a frequently seen allergic response marked by the abrupt development of painless, nonpruritic swelling that affects the hands, feet, eyelids, lips, face, neck, genitalia, or viscera. While swelling often does not become itchy, it can cause burning and tingling sensations. Progression of edema to the larynx might lead to manifestations of respiratory distress.
Arm injury
Following a crush injury, there may be significant swelling that is present over the whole arm. Proliferation of ecchymoses or superficial bleeding, discomfort or numbness, and paralysis may manifest.
Burns
Two days or less after injury, arm burns may cause mild to severe edema, pain, and tissue damage.
Envenomation
Severe envenomation from snakes, aquatic creatures, or insects may first result in swelling around the bite or sting, which rapidly extends to the whole arm. Common symptoms at the location include pain, erythema, and pruritus; and infrequently paresthesia may occur. Subsequently, the patient may experience symptoms of generalized nature, including but not limited to nausea, vomiting, weakness, muscle cramps, fever, chills, hypotension, headache, and, in more severe instances, dyspnea, seizures, and paralysis.
Congenital superior vena cava syndrome
Typically, bilateral arm edema advances gradually and is accompanied by swelling in the face and neck. Venous dilatation characterizes these edematous regions. The patient presents with the additional symptoms of headache, vertigo, and visual impairments.
Idiopathic thromboplebitis
Peripherally placed central catheters and arm Port-A-Caths can lead to thromboplebitis, a condition characterized by arm edema, discomfort, and warmth. In addition to cyanosis, a fever, chills, and malaise, deep vein thrombophlebitis can also result in redness, soreness, and induration next to the vein.
Other Causes
Therapeutic Interventions. Localized arm edema can occur when intravenous fluid infiltrates the interstitial tissue. Edema of the entire arm can be caused by a radical or modified radical mastectomy that interferes with lymphatic drainage, as well as by axillary lymph node removal. Furthermore, radiation therapy for breast cancer can cause arm edema either immediately following the treatment or several months later
Points of Special Consideration
The management of arm edema should be tailored to the specific underlying cause. Important general care practices include raising the arm, regularly moving it, and using bandages and dressings correctly to facilitate drainage and circulation. In order to avoid the development of pressure ulcers, it is imperative to offer patients with thorough skin care. Moreover, provide an analgesic and anticoagulant as necessary.
Therapeutic Counseling for Patients
Educate the patient about postoperative arm care techniques. Instruct in arm exercises aimed at preventing lymphedema.
Guidelines for Pediatric Populations
Rarely does arm edema manifest in children, unless it is a component of generalized edema. However, it can arise from arm trauma, such as burns and crush injuries.
Edema of the arm
Arm edema is the consequence of prolonged accumulation of interstitial fluid in the arm. It can occur either unilaterally or bilaterally and may progress either slowly or suddenly. The condition can be worsened by lack of movement and relieved by raising the arm and increasing physical activity.
Edema in the arm indicates a specific fluid imbalance between the blood vessels and the gaps between tissues. Please refer to Understanding Fluid Balance on page 278. It often occurs as a consequence of trauma, venous diseases, poisons, or specific medicinal therapies.
Acute medical interventions
Detach rings, bracelets, and watches from the surgically impacted arm of the patient. Some of these objects may function as a tourniquet. Verify that the patient's sleeves do not impede the drainage of fluids or the circulation of blood.
Histories and Physical Assessment
An initial inquiry to make while obtaining the patient's medical history is, "What is the duration of your arm's swelling?" Next, ascertain whether the patient is experiencing arm pain, numbness, or tingling. Are exercise and arm elevation effective in reducing edema? Inquire specifically about any recent arm injuries, such as burns or bug bites. In addition, record any recent intravenous therapy, surgical procedures, or radiation therapy for breast cancer.
The severity of the edema can be determined by comparing the dimensions and symmetry of both arms. For precise girth determination, use a tape measure and indicate the precise location of the measurement to facilitate further comparison measures. Ensure to record if the swelling is localized or spread to both sides, and examine for the presence of pitting. (Refer to page 279 of Edema: Pitting or Nonpitting?.) Then, analyze and contrast the hue and temperature of each arm. Inspect for redness and ecchymoses, as well as for wounds indicative of injury. Assess and contrast the radial and brachial pulses via palpation. Assess for arm soreness and reduced feeling or motion. Elevate the arm if you encounter indications of neurovascular impairment.
Medical Causes
Angioneurotic edema
Angioneurotic edema is a frequently seen allergic response marked by the abrupt development of painless, nonpruritic swelling that affects the hands, feet, eyelids, lips, face, neck, genitalia, or viscera. While swelling often does not become itchy, it can cause burning and tingling sensations. Progression of edema to the larynx might lead to manifestations of respiratory distress.
Arm injury
Following a crush injury, there may be significant swelling that is present over the whole arm. Proliferation of ecchymoses or superficial bleeding, discomfort or numbness, and paralysis may manifest.
Burns
Two days or less after injury, arm burns may cause mild to severe edema, pain, and tissue damage.
Envenomation
Severe envenomation from snakes, aquatic creatures, or insects may first result in swelling around the bite or sting, which rapidly extends to the whole arm. Common symptoms at the location include pain, erythema, and pruritus; and infrequently paresthesia may occur. Subsequently, the patient may experience symptoms of generalized nature, including but not limited to nausea, vomiting, weakness, muscle cramps, fever, chills, hypotension, headache, and, in more severe instances, dyspnea, seizures, and paralysis.
Congenital superior vena cava syndrome
Typically, bilateral arm edema advances gradually and is accompanied by swelling in the face and neck. Venous dilatation characterizes these edematous regions. The patient presents with the additional symptoms of headache, vertigo, and visual impairments.
Idiopathic thromboplebitis
Peripherally placed central catheters and arm Port-A-Caths can lead to thromboplebitis, a condition characterized by arm edema, discomfort, and warmth. In addition to cyanosis, a fever, chills, and malaise, deep vein thrombophlebitis can also result in redness, soreness, and induration next to the vein.
Other Causes
Therapeutic Interventions. Localized arm edema can occur when intravenous fluid infiltrates the interstitial tissue. Edema of the entire arm can be caused by a radical or modified radical mastectomy that interferes with lymphatic drainage, as well as by axillary lymph node removal. Furthermore, radiation therapy for breast cancer can cause arm edema either immediately following the treatment or several months later
Points of Special Consideration
The management of arm edema should be tailored to the specific underlying cause. Important general care practices include raising the arm, regularly moving it, and using bandages and dressings correctly to facilitate drainage and circulation. In order to avoid the development of pressure ulcers, it is imperative to offer patients with thorough skin care. Moreover, provide an analgesic and anticoagulant as necessary.
Therapeutic Counseling for Patients
Educate the patient about postoperative arm care techniques. Instruct in arm exercises aimed at preventing lymphedema.
Guidelines for Pediatric Populations
Rarely does arm edema manifest in children, unless it is a component of generalized edema. However, it can arise from arm trauma, such as burns and crush injuries.
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