Diagnostic Tests for Anaphylaxis

Anaphylaxis Tests: Book Excerpts

• Diagnostic Approach - Shock

Home Diagnostic Testing

These home medical tests may be relevant to Anaphylaxis:

• Allergies -- Related Home Tests
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• Food Allergies & Intolerances: Home Testing:
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Anaphylaxis Diagnosis: Book Excerpts

• Approach to the Diagnosis - HYPOTENSION AND SHOCK
• Diagnosis - Toxic shock syndrome
• Diagnosis - Hypovolemic shock
• Diagnosis - Photosensitivity reactions
• Differential Overview - Shock
• Diagnosis - anaphylaxis
• Diagnosis - Toxic shock syndrome
• Diagnosis - Hypovolemic shock
• Diagnosis - Electric shock
• Diagnosis - Cardiogenic shock
• Approach to the Diagnosis - HYPOTENSION AND SHOCK
• Anaphylaxis - DIAGNOSIS - Anaphylaxis

Diagnosis of Anaphylaxis: medical news summaries:

The following medical news items are relevant to diagnosis of Anaphylaxis:

• Oral allergy syndrome
• Peanut allergy
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Diagnostic Tests for Anaphylaxis: Online Medical Books

16 MEDICAL BOOKS ONLINE! Review excerpts from medical books online, free, without registration, for more information about the diagnostic tests for Anaphylaxis.

Shock: Diagnostic Approach
(Field Guide to Bedside Diagnosis)

A patient in shock will lie still, paying little attention to events around him. If agitated, he will answer in a weak voice. The pupils are dilated and react slowly to light. The coloration is gray and pale, with marbling of the skin on the back or the hands and legs, and cyanosis of the lips. The pulse is rapid and thready; temperature and blood pressure are low. Emergence of these findings corresponds to a 20% to 25% reduction in volume in low preload shock, a fall in the cardiac index to below 2.5 L/min/M ² or activation of mediators of the sepsis syndrome.

Clues to the underlying cause should be carefully searched for on physical examination. HEENT exam may reveal dilated or pinpoint pupils, dry conjunctivae, or scleral icterus. In the neck, jugular venous distension, delayed carotid upstroke, carotid bruits, or meningeal signs may be observed. Lung exam may show tachypnea, shallow breaths, rales, unilateral tympany or absent breath sounds. The cardiovascular exam may reveal tachycardia, bradycardia, irregular rhythm, S₃ gallop, right or left ventricular heave, murmurs, distant heart sounds, pulsus paradoxus, or rub. On abdominal exam, tenderness, guarding or rebound, high-pitched or absent bowel sounds, distension, pulsatile mass, hepatosplenomegaly, or ascites may be found. Rectal exam can reveal evidence of bleeding (occult positive, melena, or bright red blood) or decreased tone. The extremities can show a swollen calf or unequal pulses or blood pressures between the arms. Neurologic exam could exhibit agitation, confusion, delirium, obtundation, or coma. Finally, skin exam can reveal cool and clammy skin, warm and hyperemic skin, rashes, petechiae, urticaria, or cellulitis.

Prognosis in cardiogenic shock can be accurately stratified by Killip class, using observable clinical criteria:

» READ BOOK EXCERPT ONLINE »

Source: Field Guide to Bedside Diagnosis, 2007

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