Fat embolism syndrome differential diagnosis: Difference between revisions

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Revision as of 14:53, 6 April 2018

Overview

Fat embolism syndrome should be differentiated from other diseases presenting with chest pain, shortness of breath, tachypnea and neurological deficits. FES must be differentiated from meningitis, pneumonia, pulmonary embolism, stroke, thrombotic thrombocytopenic purpura.

Differentiating Fat embolism syndrome from other Diseases

Fat embolism syndrome should be differentiated from other diseases presenting with chest pain, shortness of breath and tachypnea. The differentials include the following:^[1]^[2]^[3]^[4]^[5]^[6]^[7]^[8]^[9]^[10]^[11]^[12]^[13]^[14]^[15]^[16]^[17]^[18]^[19]^[20]

Diseases	CT scan and MRI	EKG	Chest X-ray	Tachypnea	Tachycardia	Fever	Chest Pain	Hemoptysis	Dyspnea on Exertion	Wheezing	Chest Tenderness	Nasalopharyngeal Ulceration	Carotid Bruit	Past medical history	Other Findings
Diseases	Diagnostic tests			Physical Examination			Symptoms							Past medical history	Other Findings
Pulmonary embolism	On CT angiography: Intra-luminal filling defect On MRI: Narrowing of involved vessel No contrast seen distal to obstruction Polo-mint sign (partial filling defect surrounded by contrast)	S1Q3T3 pattern representing acute right heart strain	Fleischner sign (enlarged pulmonary artery), Hampton hump, Westermark's sign	✔	✔	✔ (Low grade)	✔	✔ (In case of massive PE)	✔	-	-	-	-	Hypercoagulating conditions (Factor V Leiden, thrombophilia, deep vein thrombosis, immobilization, malignancy, pregnancy)	May be associated with metabolic alkalosis and syncope
Congestive heart failure	On CT scan: Mediastinal lymphadenopathy Hazy mediastinal fat On MRI: Abnormality of cardiac chambers (hypertrophy, dilation) Delayed enhancement MRI may help characterize the myocardial tissue (fibrosis) Late enhancement of contrast in conditions such as myocarditis, sarcoidosis, amyloidosis, Anderson-Fabry's disease, Chagas disease)	Goldberg's criteria may aid in diagnosis of left ventricular dysfunction: (High specificity) SV1 or SV2 + RV5 or RV6 ≥3.5 mV Total QRS amplitude in each of the limb leads ≤0.8 mV R/S ratio <1 in lead V4	Cardiomegaly	✔	✔	✔	-	-	✔	-	-	-	-	Previous myocardial infarction Hypertension (systemic and pulmonary) Cardiac arrythmias Viral infections (myocarditis) Congenital heart defects	Right heart failure associated with: Hepatomegaly Positive hepato-jugular reflex Increased jugular venous pressure Peripheral edema Left heart failure associated with: Pulmonary edema Eventual right heart failure
Percarditis	On contrast enhanced CT scan: Enhancement of the pericardium (due to inflammation) Pericardial effusion Pericardial calcification On gadolinium-enhanced fat-saturated T1-weighted MRI: Pericardial enhancement (due to inflammation) Pericardial effusion	ST elevation PR depression	Large collection of fluid inside the pericardial sac (pericardial effusion) Calcification of pericardial sac	✔	✔	✔ (Low grade)	✔ (Relieved by sitting up and leaning forward)	-	✔	-	-	-	-	Infections: Viral (Coxsackie virus, Herpes virus, Mumps virus, HIV) Bacteria (Mycobacterium tuberculosis-common in developing countries) Fungal (Histoplasmosis) Idiopathic in a large number of cases Autoimmune Uremia Malignancy Previous myocardial infarction	May be clinically classified into: Acute (< 6 weeks) Sub-acute (6 weeks - 6 months) Chronic (> 6 months)
Pneumonia	On CT scan: (not generally indicated) Consolidation (alveolar/lobar pneumonia) Peribronchial nodules (bronchopneumonia) Ground-glass opacity (GGO) Abscess Pleural effusion On MRI: Not indicated	Prolonged PR interval Transient T wave inversions	Consolidation (alveolar/lobar pneumonia) Peribronchial nodules (bronchopneumonia) Ground-glass opacity (GGO)	✔	✔	✔	✔	-	✔	✔	-	-	-	Ill-contact Travelling Smoking Diabetic Recent hospitalization Chronic obstructive pulmonary disease	Requires sputum stain and culture for diagnosis Empiric management usually started before culture results
Vasculitis	On CT scan: (Takayasu arteritis) Vessel wall thickening Luminal narrowing of pulmonary artery Masses or nodules (ANCA-associated granulomatous vasculitis) On MRI: Homogeneous, circumferential vessel wall swelling	Right or left bundle-branch block (Churg-Strauss syndrome) Atrial fibrillation (Churg-Strauss syndrome) Non-specific ST segment and T wave changes	Nodules Cavitation	✔	✔	✔	✔	✔	✔	-	✔	✔	✔	Takayasu arteritis usually found in persons aged 4-60 years with a mean of 30 Giant-cell arteritis usually occurrs in persons aged > 60 years Churg-Strauss syndrome may present with asthma, sinusitis, transient pulmonary infiltrates and neuropathy alongwith cardiac involvement Granulomatous vasculitides may present with nephritis and upper airway (nasopharyngeal) destruction
Chronic obstructive pulmonary disease (COPD)	On CT scan: Chronic bronchitis may show bronchial wall thickening, scarring with bronchovascular irregularity, fibrosis Emphysema may show alveolar septal destruction and airspace enlargement (Centrilobular- upper lobe, panlobular- lower lobe) Giant bubbles On MRI: Increased diameter of pulmonary arteries Peripheral pulmonary vasculature attentuation Loss of retrosternal airspace due to right ventricular enlargement Hyperpolarized Helium MRI may show progressively poor ventilation and destruction of lung	Multifocal atrial tachycardia (atleast 3 distinct P wave morphologies)	Enlarged lung shadows (emphysema) Flattening of diaphragm (emphysema)	✔	✔	-	-	-	✔	✔	-	-	-	Smoking Alpha-1 antitrypsin deficiency Increased sputum production (chronic bronchitis) Cough	Alpha 1 antitrypsin deficiency may be associated with hepatomegaly

References

↑ Brenes-Salazar JA (2014). "Westermark's and Palla's signs in acute and chronic pulmonary embolism: Still valid in the current computed tomography era". J Emerg Trauma Shock. 7 (1): 57–8. doi:10.4103/0974-2700.125645. PMC 3912657. PMID 24550636.
↑ "CT Angiography of Pulmonary Embolism: Diagnostic Criteria and Causes of Misdiagnosis | RadioGraphics".
↑ Bĕlohlávek J, Dytrych V, Linhart A (2013). "Pulmonary embolism, part I: Epidemiology, risk factors and risk stratification, pathophysiology, clinical presentation, diagnosis and nonthrombotic pulmonary embolism". Exp Clin Cardiol. 18 (2): 129–38. PMC 3718593. PMID 23940438.
↑ "Pulmonary Embolism: Symptoms - National Library of Medicine - PubMed Health".
↑ Ramani GV, Uber PA, Mehra MR (2010). "Chronic heart failure: contemporary diagnosis and management". Mayo Clin. Proc. 85 (2): 180–95. doi:10.4065/mcp.2009.0494. PMC 2813829. PMID 20118395.
↑ Blinderman CD, Homel P, Billings JA, Portenoy RK, Tennstedt SL (2008). "Symptom distress and quality of life in patients with advanced congestive heart failure". J Pain Symptom Manage. 35 (6): 594–603. doi:10.1016/j.jpainsymman.2007.06.007. PMC 2662445. PMID 18215495.
↑ Hawkins NM, Petrie MC, Jhund PS, Chalmers GW, Dunn FG, McMurray JJ (2009). "Heart failure and chronic obstructive pulmonary disease: diagnostic pitfalls and epidemiology". Eur. J. Heart Fail. 11 (2): 130–9. doi:10.1093/eurjhf/hfn013. PMC 2639415. PMID 19168510.
↑ Takasugi JE, Godwin JD (1998). "Radiology of chronic obstructive pulmonary disease". Radiol. Clin. North Am. 36 (1): 29–55. PMID 9465867.
↑ Wedzicha JA, Donaldson GC (2003). "Exacerbations of chronic obstructive pulmonary disease". Respir Care. 48 (12): 1204–13, discussion 1213–5. PMID 14651761.
↑ Nakawah MO, Hawkins C, Barbandi F (2013). "Asthma, chronic obstructive pulmonary disease (COPD), and the overlap syndrome". J Am Board Fam Med. 26 (4): 470–7. doi:10.3122/jabfm.2013.04.120256. PMID 23833163.
↑ Khandaker MH, Espinosa RE, Nishimura RA, Sinak LJ, Hayes SN, Melduni RM, Oh JK (2010). "Pericardial disease: diagnosis and management". Mayo Clin. Proc. 85 (6): 572–93. doi:10.4065/mcp.2010.0046. PMC 2878263. PMID 20511488.
↑ Bogaert J, Francone M (2013). "Pericardial disease: value of CT and MR imaging". Radiology. 267 (2): 340–56. doi:10.1148/radiol.13121059. PMID 23610095.
↑ Gharib AM, Stern EJ (2001). "Radiology of pneumonia". Med. Clin. North Am. 85 (6): 1461–91, x. PMID 11680112.
↑ Schmidt WA (2013). "Imaging in vasculitis". Best Pract Res Clin Rheumatol. 27 (1): 107–18. doi:10.1016/j.berh.2013.01.001. PMID 23507061.
↑ Suresh E (2006). "Diagnostic approach to patients with suspected vasculitis". Postgrad Med J. 82 (970): 483–8. doi:10.1136/pgmj.2005.042648. PMC 2585712. PMID 16891436.
↑ Stein PD, Dalen JE, McIntyre KM, Sasahara AA, Wenger NK, Willis PW (1975). "The electrocardiogram in acute pulmonary embolism". Prog Cardiovasc Dis. 17 (4): 247–57. PMID 123074.
↑ Warnier MJ, Rutten FH, Numans ME, Kors JA, Tan HL, de Boer A, Hoes AW, De Bruin ML (2013). "Electrocardiographic characteristics of patients with chronic obstructive pulmonary disease". COPD. 10 (1): 62–71. doi:10.3109/15412555.2012.727918. PMID 23413894.
↑ Stein PD, Matta F, Ekkah M, Saleh T, Janjua M, Patel YR, Khadra H (2012). "Electrocardiogram in pneumonia". Am. J. Cardiol. 110 (12): 1836–40. doi:10.1016/j.amjcard.2012.08.019. PMID 23000104.
↑ Hazebroek MR, Kemna MJ, Schalla S, Sanders-van Wijk S, Gerretsen SC, Dennert R, Merken J, Kuznetsova T, Staessen JA, Brunner-La Rocca HP, van Paassen P, Cohen Tervaert JW, Heymans S (2015). "Prevalence and prognostic relevance of cardiac involvement in ANCA-associated vasculitis: eosinophilic granulomatosis with polyangiitis and granulomatosis with polyangiitis". Int. J. Cardiol. 199: 170–9. doi:10.1016/j.ijcard.2015.06.087. PMID 26209947.
↑ Dennert RM, van Paassen P, Schalla S, Kuznetsova T, Alzand BS, Staessen JA, Velthuis S, Crijns HJ, Tervaert JW, Heymans S (2010). "Cardiac involvement in Churg-Strauss syndrome". Arthritis Rheum. 62 (2): 627–34. doi:10.1002/art.27263. PMID 20112390.

[pmid24550636-1] Brenes-Salazar JA (2014). "Westermark's and Palla's signs in acute and chronic pulmonary embolism: Still valid in the current computed tomography era". J Emerg Trauma Shock. 7 (1): 57–8. doi:10.4103/0974-2700.125645. PMC 3912657. PMID 24550636.

[urlCT_Angiography_of_Pulmonary_Embolism:_Diagnostic_Criteria_and_Causes_of_Misdiagnosis_|_RadioGraphics-2] "CT Angiography of Pulmonary Embolism: Diagnostic Criteria and Causes of Misdiagnosis | RadioGraphics".

[pmid23940438-3] Bĕlohlávek J, Dytrych V, Linhart A (2013). "Pulmonary embolism, part I: Epidemiology, risk factors and risk stratification, pathophysiology, clinical presentation, diagnosis and nonthrombotic pulmonary embolism". Exp Clin Cardiol. 18 (2): 129–38. PMC 3718593. PMID 23940438.

[urlPulmonary_Embolism:_Symptoms_-_National_Library_of_Medicine_-_PubMed_Health-4] "Pulmonary Embolism: Symptoms - National Library of Medicine - PubMed Health".

[pmid20118395-5] Ramani GV, Uber PA, Mehra MR (2010). "Chronic heart failure: contemporary diagnosis and management". Mayo Clin. Proc. 85 (2): 180–95. doi:10.4065/mcp.2009.0494. PMC 2813829. PMID 20118395.

[pmid18215495-6] Blinderman CD, Homel P, Billings JA, Portenoy RK, Tennstedt SL (2008). "Symptom distress and quality of life in patients with advanced congestive heart failure". J Pain Symptom Manage. 35 (6): 594–603. doi:10.1016/j.jpainsymman.2007.06.007. PMC 2662445. PMID 18215495.

[pmid19168510-7] Hawkins NM, Petrie MC, Jhund PS, Chalmers GW, Dunn FG, McMurray JJ (2009). "Heart failure and chronic obstructive pulmonary disease: diagnostic pitfalls and epidemiology". Eur. J. Heart Fail. 11 (2): 130–9. doi:10.1093/eurjhf/hfn013. PMC 2639415. PMID 19168510.

[pmid9465867-8] Takasugi JE, Godwin JD (1998). "Radiology of chronic obstructive pulmonary disease". Radiol. Clin. North Am. 36 (1): 29–55. PMID 9465867.

[pmid14651761-9] Wedzicha JA, Donaldson GC (2003). "Exacerbations of chronic obstructive pulmonary disease". Respir Care. 48 (12): 1204–13, discussion 1213–5. PMID 14651761.

[pmid23833163-10] Nakawah MO, Hawkins C, Barbandi F (2013). "Asthma, chronic obstructive pulmonary disease (COPD), and the overlap syndrome". J Am Board Fam Med. 26 (4): 470–7. doi:10.3122/jabfm.2013.04.120256. PMID 23833163.

[pmid20511488-11] Khandaker MH, Espinosa RE, Nishimura RA, Sinak LJ, Hayes SN, Melduni RM, Oh JK (2010). "Pericardial disease: diagnosis and management". Mayo Clin. Proc. 85 (6): 572–93. doi:10.4065/mcp.2010.0046. PMC 2878263. PMID 20511488.

[pmid23610095-12] Bogaert J, Francone M (2013). "Pericardial disease: value of CT and MR imaging". Radiology. 267 (2): 340–56. doi:10.1148/radiol.13121059. PMID 23610095.

[pmid11680112-13] Gharib AM, Stern EJ (2001). "Radiology of pneumonia". Med. Clin. North Am. 85 (6): 1461–91, x. PMID 11680112.

[pmid23507061-14] Schmidt WA (2013). "Imaging in vasculitis". Best Pract Res Clin Rheumatol. 27 (1): 107–18. doi:10.1016/j.berh.2013.01.001. PMID 23507061.

[pmid16891436-15] Suresh E (2006). "Diagnostic approach to patients with suspected vasculitis". Postgrad Med J. 82 (970): 483–8. doi:10.1136/pgmj.2005.042648. PMC 2585712. PMID 16891436.

[pmid123074-16] Stein PD, Dalen JE, McIntyre KM, Sasahara AA, Wenger NK, Willis PW (1975). "The electrocardiogram in acute pulmonary embolism". Prog Cardiovasc Dis. 17 (4): 247–57. PMID 123074.

[pmid23413894-17] Warnier MJ, Rutten FH, Numans ME, Kors JA, Tan HL, de Boer A, Hoes AW, De Bruin ML (2013). "Electrocardiographic characteristics of patients with chronic obstructive pulmonary disease". COPD. 10 (1): 62–71. doi:10.3109/15412555.2012.727918. PMID 23413894.

[pmid23000104-18] Stein PD, Matta F, Ekkah M, Saleh T, Janjua M, Patel YR, Khadra H (2012). "Electrocardiogram in pneumonia". Am. J. Cardiol. 110 (12): 1836–40. doi:10.1016/j.amjcard.2012.08.019. PMID 23000104.

[pmid26209947-19] Hazebroek MR, Kemna MJ, Schalla S, Sanders-van Wijk S, Gerretsen SC, Dennert R, Merken J, Kuznetsova T, Staessen JA, Brunner-La Rocca HP, van Paassen P, Cohen Tervaert JW, Heymans S (2015). "Prevalence and prognostic relevance of cardiac involvement in ANCA-associated vasculitis: eosinophilic granulomatosis with polyangiitis and granulomatosis with polyangiitis". Int. J. Cardiol. 199: 170–9. doi:10.1016/j.ijcard.2015.06.087. PMID 26209947.

[pmid20112390-20] Dennert RM, van Paassen P, Schalla S, Kuznetsova T, Alzand BS, Staessen JA, Velthuis S, Crijns HJ, Tervaert JW, Heymans S (2010). "Cardiac involvement in Churg-Strauss syndrome". Arthritis Rheum. 62 (2): 627–34. doi:10.1002/art.27263. PMID 20112390.

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 ==Overview==
+Fat embolism syndrome should be differentiated from other diseases presenting with [[chest pain]], [[shortness of breath]], [[tachypnea]] and neurological deficits. FES must be differentiated from [[meningitis]], [[pneumonia]], [[pulmonary embolism]], [[stroke]], [[thrombotic thrombocytopenic purpura]].
 ==Differentiating Fat embolism syndrome from other Diseases==

Fat embolism syndrome differential diagnosis: Difference between revisions

Revision as of 14:53, 6 April 2018

Overview

Differentiating Fat embolism syndrome from other Diseases

References

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