Pulmonary embolism history and symptoms: Difference between revisions
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The absence of this triad reduces the clinical probability of PE. Symptoms or signs of lower extremity [[Deep vein thrombosis history and symptoms|deep venous thrombosis]] (DVT) can also be present in the patient. | The absence of this triad reduces the clinical probability of PE. Symptoms or signs of lower extremity [[Deep vein thrombosis history and symptoms|deep venous thrombosis]] (DVT) can also be present in the patient. | ||
==History & Symptoms== | |||
Three major clinical presentations can exist: | Three major clinical presentations can exist: | ||
#[[Dyspnea]] with or without pleuritic [[chest pain]] and [[hemoptysis]] | #[[Dyspnea]] with or without pleuritic [[chest pain]] and [[hemoptysis]] | ||
Revision as of 15:27, 2 December 2011
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Pulmonary Embolism Microchapters |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editors-in-Chief: Ujjwal Rastogi, MBBS [2]
Overview
Symptoms of Pulmonary embolism depend upon the severity of the disease. It can also be asymptomatic and diagnosed by imaging procedures performed for other purposes[1]. Prospective Investigation Of Pulmonary Embolism Diagnosis study (PIOPED) found the following symptoms in 97% of patients with angiographic proven PE[2].
The absence of this triad reduces the clinical probability of PE. Symptoms or signs of lower extremity deep venous thrombosis (DVT) can also be present in the patient.
History & Symptoms
Three major clinical presentations can exist:
- Dyspnea with or without pleuritic chest pain and hemoptysis
- Hemodynamic instability and syncope (associated with massive pulmonary embolism)
- In the elderly, it may mimick as indolent pneumonia or heart failure.
Thus, the symptoms are highly variable, nonspecific, and common among patients with and without PE.
Pulmonary embolism should be suspected[1] in all patients who present with the following symptoms, without an alternative obvious cause.
- Dyspnea (new or worsening)
- chest pain
- sustained Hypotension
However, the confirmed diagnosis is only possible in approximately 1/5th of the total patients[3]. Furthermore the diagnostic workup should be changed depending upon the patient's clinical presentation and hemodynamic stablity.
References
- ↑ 1.0 1.1 Agnelli G, Becattini C (2010). "Acute pulmonary embolism". N Engl J Med. 363 (3): 266–74. doi:10.1056/NEJMra0907731. PMID 20592294.
- ↑ Stein PD, Beemath A, Matta F, Weg JG, Yusen RD, Hales CA; et al. (2007). "Clinical characteristics of patients with acute pulmonary embolism: data from PIOPED II". Am J Med. 120 (10): 871–9. doi:10.1016/j.amjmed.2007.03.024. PMC 2071924. PMID 17904458.
- ↑ Righini M, Le Gal G, Aujesky D, Roy PM, Sanchez O, Verschuren F; et al. (2008). "Diagnosis of pulmonary embolism by multidetector CT alone or combined with venous ultrasonography of the leg: a randomised non-inferiority trial". Lancet. 371 (9621): 1343–52. doi:10.1016/S0140-6736(08)60594-2. PMID 18424324. Review in: ACP J Club. 2008 Sep 16;149(3):13