Chronic obstructive pulmonary disease differential diagnosis: Difference between revisions
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==Differentiating Chronic Obstructive Pulmonary Disease from other Diseases== | ==Differentiating Chronic Obstructive Pulmonary Disease from other Diseases== | ||
COPD should be differentiated from other diseases presenting with chronic [[cough]], [[shortness of breath]] and [[tachypnea]]. The differentials include the following:<ref name="pmid24550636">{{cite journal |vauthors=Brenes-Salazar JA |title=Westermark's and Palla's signs in acute and chronic pulmonary embolism: Still valid in the current computed tomography era |journal=J Emerg Trauma Shock |volume=7 |issue=1 |pages=57–8 |year=2014 |pmid=24550636 |pmc=3912657 |doi=10.4103/0974-2700.125645 |url=}}</ref><ref name="urlCT Angiography of Pulmonary Embolism: Diagnostic Criteria and Causes of Misdiagnosis | RadioGraphics">{{cite web |url=http://pubs.rsna.org/doi/full/10.1148/rg.245045008 |title=CT Angiography of Pulmonary Embolism: Diagnostic Criteria and Causes of Misdiagnosis | RadioGraphics |format= |work= |accessdate=}}</ref><ref name="pmid23940438">{{cite journal |vauthors=Bĕlohlávek J, Dytrych V, Linhart A |title=Pulmonary embolism, part I: Epidemiology, risk factors and risk stratification, pathophysiology, clinical presentation, diagnosis and nonthrombotic pulmonary embolism |journal=Exp Clin Cardiol |volume=18 |issue=2 |pages=129–38 |year=2013 |pmid=23940438 |pmc=3718593 |doi= |url=}}</ref><ref name="urlPulmonary Embolism: Symptoms - National Library of Medicine - PubMed Health">{{cite web |url=https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0022657/ |title=Pulmonary Embolism: Symptoms - National Library of Medicine - PubMed Health |format= |work= |accessdate=}}</ref><ref name="pmid20118395">{{cite journal |vauthors=Ramani GV, Uber PA, Mehra MR |title=Chronic heart failure: contemporary diagnosis and management |journal=Mayo Clin. Proc. |volume=85 |issue=2 |pages=180–95 |year=2010 |pmid=20118395 |pmc=2813829 |doi=10.4065/mcp.2009.0494 |url=}}</ref><ref name="pmid18215495">{{cite journal |vauthors=Blinderman CD, Homel P, Billings JA, Portenoy RK, Tennstedt SL |title=Symptom distress and quality of life in patients with advanced congestive heart failure |journal=J Pain Symptom Manage |volume=35 |issue=6 |pages=594–603 |year=2008 |pmid=18215495 |pmc=2662445 |doi=10.1016/j.jpainsymman.2007.06.007 |url=}}</ref><ref name="pmid19168510">{{cite journal |vauthors=Hawkins NM, Petrie MC, Jhund PS, Chalmers GW, Dunn FG, McMurray JJ |title=Heart failure and chronic obstructive pulmonary disease: diagnostic pitfalls and epidemiology |journal=Eur. J. Heart Fail. |volume=11 |issue=2 |pages=130–9 |year=2009 |pmid=19168510 |pmc=2639415 |doi=10.1093/eurjhf/hfn013 |url=}}</ref><ref name="pmid9465867">{{cite journal |vauthors=Takasugi JE, Godwin JD |title=Radiology of chronic obstructive pulmonary disease |journal=Radiol. Clin. North Am. |volume=36 |issue=1 |pages=29–55 |year=1998 |pmid=9465867 |doi= |url=}}</ref><ref name="pmid14651761">{{cite journal |vauthors=Wedzicha JA, Donaldson GC |title=Exacerbations of chronic obstructive pulmonary disease |journal=Respir Care |volume=48 |issue=12 |pages=1204–13; discussion 1213–5 |year=2003 |pmid=14651761 |doi= |url=}}</ref><ref name="pmid23833163">{{cite journal |vauthors=Nakawah MO, Hawkins C, Barbandi F |title=Asthma, chronic obstructive pulmonary disease (COPD), and the overlap syndrome |journal=J Am Board Fam Med |volume=26 |issue=4 |pages=470–7 |year=2013 |pmid=23833163 |doi=10.3122/jabfm.2013.04.120256 |url=}}</ref><ref name="pmid20511488">{{cite journal |vauthors=Khandaker MH, Espinosa RE, Nishimura RA, Sinak LJ, Hayes SN, Melduni RM, Oh JK |title=Pericardial disease: diagnosis and management |journal=Mayo Clin. Proc. |volume=85 |issue=6 |pages=572–93 |year=2010 |pmid=20511488 |pmc=2878263 |doi=10.4065/mcp.2010.0046 |url=}}</ref><ref name="pmid23610095">{{cite journal |vauthors=Bogaert J, Francone M |title=Pericardial disease: value of CT and MR imaging |journal=Radiology |volume=267 |issue=2 |pages=340–56 |year=2013 |pmid=23610095 |doi=10.1148/radiol.13121059 |url=}}</ref><ref name="pmid11680112">{{cite journal |vauthors=Gharib AM, Stern EJ |title=Radiology of pneumonia |journal=Med. Clin. North Am. |volume=85 |issue=6 |pages=1461–91, x |year=2001 |pmid=11680112 |doi= |url=}}</ref><ref name="pmid23507061">{{cite journal |vauthors=Schmidt WA |title=Imaging in vasculitis |journal=Best Pract Res Clin Rheumatol |volume=27 |issue=1 |pages=107–18 |year=2013 |pmid=23507061 |doi=10.1016/j.berh.2013.01.001 |url=}}</ref><ref name="pmid16891436">{{cite journal |vauthors=Suresh E |title=Diagnostic approach to patients with suspected vasculitis |journal=Postgrad Med J |volume=82 |issue=970 |pages=483–8 |year=2006 |pmid=16891436 |pmc=2585712 |doi=10.1136/pgmj.2005.042648 |url=}}</ref><ref name="pmid123074">{{cite journal |vauthors=Stein PD, Dalen JE, McIntyre KM, Sasahara AA, Wenger NK, Willis PW |title=The electrocardiogram in acute pulmonary embolism |journal=Prog Cardiovasc Dis |volume=17 |issue=4 |pages=247–57 |year=1975 |pmid=123074 |doi= |url=}}</ref><ref name="pmid23413894">{{cite journal |vauthors=Warnier MJ, Rutten FH, Numans ME, Kors JA, Tan HL, de Boer A, Hoes AW, De Bruin ML |title=Electrocardiographic characteristics of patients with chronic obstructive pulmonary disease |journal=COPD |volume=10 |issue=1 |pages=62–71 |year=2013 |pmid=23413894 |doi=10.3109/15412555.2012.727918 |url=}}</ref><ref name="pmid23000104">{{cite journal |vauthors=Stein PD, Matta F, Ekkah M, Saleh T, Janjua M, Patel YR, Khadra H |title=Electrocardiogram in pneumonia |journal=Am. J. Cardiol. |volume=110 |issue=12 |pages=1836–40 |year=2012 |pmid=23000104 |doi=10.1016/j.amjcard.2012.08.019 |url=}}</ref><ref name="pmid26209947">{{cite journal |vauthors=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 |title=Prevalence and prognostic relevance of cardiac involvement in ANCA-associated vasculitis: eosinophilic granulomatosis with polyangiitis and granulomatosis with polyangiitis |journal=Int. J. Cardiol. |volume=199 |issue= |pages=170–9 |year=2015 |pmid=26209947 |doi=10.1016/j.ijcard.2015.06.087 |url=}}</ref><ref name="pmid20112390">{{cite journal |vauthors=Dennert RM, van Paassen P, Schalla S, Kuznetsova T, Alzand BS, Staessen JA, Velthuis S, Crijns HJ, Tervaert JW, Heymans S |title=Cardiac involvement in Churg-Strauss syndrome |journal=Arthritis Rheum. |volume=62 |issue=2 |pages=627–34 |year=2010 |pmid=20112390 |doi=10.1002/art.27263 |url=}}</ref> | COPD should be differentiated from other diseases presenting with chronic [[cough]], [[shortness of breath]] and [[tachypnea]]. The differentials include the following:<ref name="pmid24550636">{{cite journal |vauthors=Brenes-Salazar JA |title=Westermark's and Palla's signs in acute and chronic pulmonary embolism: Still valid in the current computed tomography era |journal=J Emerg Trauma Shock |volume=7 |issue=1 |pages=57–8 |year=2014 |pmid=24550636 |pmc=3912657 |doi=10.4103/0974-2700.125645 |url=}}</ref><ref name="urlCT Angiography of Pulmonary Embolism: Diagnostic Criteria and Causes of Misdiagnosis | RadioGraphics">{{cite web |url=http://pubs.rsna.org/doi/full/10.1148/rg.245045008 |title=CT Angiography of Pulmonary Embolism: Diagnostic Criteria and Causes of Misdiagnosis | RadioGraphics |format= |work= |accessdate=}}</ref><ref name="pmid23940438">{{cite journal |vauthors=Bĕlohlávek J, Dytrych V, Linhart A |title=Pulmonary embolism, part I: Epidemiology, risk factors and risk stratification, pathophysiology, clinical presentation, diagnosis and nonthrombotic pulmonary embolism |journal=Exp Clin Cardiol |volume=18 |issue=2 |pages=129–38 |year=2013 |pmid=23940438 |pmc=3718593 |doi= |url=}}</ref><ref name="urlPulmonary Embolism: Symptoms - National Library of Medicine - PubMed Health">{{cite web |url=https://www.ncbi.nlm.nih.gov/pubmedhealth/PMHT0022657/ |title=Pulmonary Embolism: Symptoms - National Library of Medicine - PubMed Health |format= |work= |accessdate=}}</ref><ref name="pmid20118395">{{cite journal |vauthors=Ramani GV, Uber PA, Mehra MR |title=Chronic heart failure: contemporary diagnosis and management |journal=Mayo Clin. Proc. |volume=85 |issue=2 |pages=180–95 |year=2010 |pmid=20118395 |pmc=2813829 |doi=10.4065/mcp.2009.0494 |url=}}</ref><ref name="pmid18215495">{{cite journal |vauthors=Blinderman CD, Homel P, Billings JA, Portenoy RK, Tennstedt SL |title=Symptom distress and quality of life in patients with advanced congestive heart failure |journal=J Pain Symptom Manage |volume=35 |issue=6 |pages=594–603 |year=2008 |pmid=18215495 |pmc=2662445 |doi=10.1016/j.jpainsymman.2007.06.007 |url=}}</ref><ref name="pmid19168510">{{cite journal |vauthors=Hawkins NM, Petrie MC, Jhund PS, Chalmers GW, Dunn FG, McMurray JJ |title=Heart failure and chronic obstructive pulmonary disease: diagnostic pitfalls and epidemiology |journal=Eur. J. Heart Fail. |volume=11 |issue=2 |pages=130–9 |year=2009 |pmid=19168510 |pmc=2639415 |doi=10.1093/eurjhf/hfn013 |url=}}</ref><ref name="pmid9465867">{{cite journal |vauthors=Takasugi JE, Godwin JD |title=Radiology of chronic obstructive pulmonary disease |journal=Radiol. Clin. North Am. |volume=36 |issue=1 |pages=29–55 |year=1998 |pmid=9465867 |doi= |url=}}</ref><ref name="pmid14651761">{{cite journal |vauthors=Wedzicha JA, Donaldson GC |title=Exacerbations of chronic obstructive pulmonary disease |journal=Respir Care |volume=48 |issue=12 |pages=1204–13; discussion 1213–5 |year=2003 |pmid=14651761 |doi= |url=}}</ref><ref name="pmid23833163">{{cite journal |vauthors=Nakawah MO, Hawkins C, Barbandi F |title=Asthma, chronic obstructive pulmonary disease (COPD), and the overlap syndrome |journal=J Am Board Fam Med |volume=26 |issue=4 |pages=470–7 |year=2013 |pmid=23833163 |doi=10.3122/jabfm.2013.04.120256 |url=}}</ref><ref name="pmid20511488">{{cite journal |vauthors=Khandaker MH, Espinosa RE, Nishimura RA, Sinak LJ, Hayes SN, Melduni RM, Oh JK |title=Pericardial disease: diagnosis and management |journal=Mayo Clin. Proc. |volume=85 |issue=6 |pages=572–93 |year=2010 |pmid=20511488 |pmc=2878263 |doi=10.4065/mcp.2010.0046 |url=}}</ref><ref name="pmid23610095">{{cite journal |vauthors=Bogaert J, Francone M |title=Pericardial disease: value of CT and MR imaging |journal=Radiology |volume=267 |issue=2 |pages=340–56 |year=2013 |pmid=23610095 |doi=10.1148/radiol.13121059 |url=}}</ref><ref name="pmid11680112">{{cite journal |vauthors=Gharib AM, Stern EJ |title=Radiology of pneumonia |journal=Med. Clin. North Am. |volume=85 |issue=6 |pages=1461–91, x |year=2001 |pmid=11680112 |doi= |url=}}</ref><ref name="pmid23507061">{{cite journal |vauthors=Schmidt WA |title=Imaging in vasculitis |journal=Best Pract Res Clin Rheumatol |volume=27 |issue=1 |pages=107–18 |year=2013 |pmid=23507061 |doi=10.1016/j.berh.2013.01.001 |url=}}</ref><ref name="pmid16891436">{{cite journal |vauthors=Suresh E |title=Diagnostic approach to patients with suspected vasculitis |journal=Postgrad Med J |volume=82 |issue=970 |pages=483–8 |year=2006 |pmid=16891436 |pmc=2585712 |doi=10.1136/pgmj.2005.042648 |url=}}</ref><ref name="pmid123074">{{cite journal |vauthors=Stein PD, Dalen JE, McIntyre KM, Sasahara AA, Wenger NK, Willis PW |title=The electrocardiogram in acute pulmonary embolism |journal=Prog Cardiovasc Dis |volume=17 |issue=4 |pages=247–57 |year=1975 |pmid=123074 |doi= |url=}}</ref><ref name="pmid23413894">{{cite journal |vauthors=Warnier MJ, Rutten FH, Numans ME, Kors JA, Tan HL, de Boer A, Hoes AW, De Bruin ML |title=Electrocardiographic characteristics of patients with chronic obstructive pulmonary disease |journal=COPD |volume=10 |issue=1 |pages=62–71 |year=2013 |pmid=23413894 |doi=10.3109/15412555.2012.727918 |url=}}</ref><ref name="pmid23000104">{{cite journal |vauthors=Stein PD, Matta F, Ekkah M, Saleh T, Janjua M, Patel YR, Khadra H |title=Electrocardiogram in pneumonia |journal=Am. J. Cardiol. |volume=110 |issue=12 |pages=1836–40 |year=2012 |pmid=23000104 |doi=10.1016/j.amjcard.2012.08.019 |url=}}</ref><ref name="pmid26209947">{{cite journal |vauthors=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 |title=Prevalence and prognostic relevance of cardiac involvement in ANCA-associated vasculitis: eosinophilic granulomatosis with polyangiitis and granulomatosis with polyangiitis |journal=Int. J. Cardiol. |volume=199 |issue= |pages=170–9 |year=2015 |pmid=26209947 |doi=10.1016/j.ijcard.2015.06.087 |url=}}</ref><ref name="pmid20112390">{{cite journal |vauthors=Dennert RM, van Paassen P, Schalla S, Kuznetsova T, Alzand BS, Staessen JA, Velthuis S, Crijns HJ, Tervaert JW, Heymans S |title=Cardiac involvement in Churg-Strauss syndrome |journal=Arthritis Rheum. |volume=62 |issue=2 |pages=627–34 |year=2010 |pmid=20112390 |doi=10.1002/art.27263 |url=}}</ref> | ||
{| | {| | ||
Line 32: | Line 31: | ||
!<small>Nasalopharyngeal Ulceration</small> | !<small>Nasalopharyngeal Ulceration</small> | ||
!<small>Carotid Bruit</small> | !<small>Carotid Bruit</small> | ||
|- | |||
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Chronic obstructive pulmonary disease]] (COPD) | |||
| style="background: #F5F5F5; padding: 5px;" | | |||
*On [[Computed tomography|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 | |||
| style="background: #F5F5F5; padding: 5px;" | | |||
*[[Multifocal atrial tachycardia]] (atleast 3 distinct [[P waves|P wave]] morphologies) | |||
| style="background: #F5F5F5; padding: 5px;" | | |||
*Enlarged [[lung]] shadows ([[emphysema]]) | |||
*Flattening of [[diaphragm]] ([[emphysema]]) | |||
| style="background: #F5F5F5; padding: 5px;" |✔ | |||
| style="background: #F5F5F5; padding: 5px;" |✔ | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" |✔ | |||
| style="background: #F5F5F5; padding: 5px;" |✔ | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | - | |||
| style="background: #F5F5F5; padding: 5px;" | | |||
*[[Smoking]] | |||
*[[Alpha 1-antitrypsin deficiency|Alpha-1 antitrypsin deficiency]] | |||
*Increased [[sputum]] production ([[chronic bronchitis]]) | |||
*[[Cough]] | |||
| style="background: #F5F5F5; padding: 5px;" | | |||
*[[Alpha 1-antitrypsin deficiency|Alpha 1 antitrypsin deficiency]] may be associated with [[hepatomegaly]] | |||
|- | |- | ||
| style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Pulmonary embolism]] | | style="background: #DCDCDC; padding: 5px; text-align: center;" |[[Pulmonary embolism]] | ||
Line 212: | Line 245: | ||
*Granulomatous vasculitides may present with [[nephritis]] and [[upper airway]] ([[nasopharyngeal]]) destruction | *Granulomatous vasculitides may present with [[nephritis]] and [[upper airway]] ([[nasopharyngeal]]) destruction | ||
| style="background: #F5F5F5; padding: 5px;" | | | style="background: #F5F5F5; padding: 5px;" | | ||
|} | |} | ||
Revision as of 07:17, 15 November 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Philip Marcus, M.D., M.P.H. [2]; Associate Editor(s)-in-Chief: Syed Hassan A. Kazmi BSc, MD [3] Cafer Zorkun, M.D., Ph.D. [4]
Overview
CCOPD should be differentiated from other diseases presenting with chronic cough, shortness of breath and tachypnea, such as congestive heart failure, chronic asthma, bronchiectasis, and bronchiolitis obliterans.
Differentiating Chronic Obstructive Pulmonary Disease from other Diseases
COPD should be differentiated from other diseases presenting with chronic cough, 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 | Diagnostic tests | Physical Examination | Symptoms | Past medical history | Other Findings | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CT scan and MRI | EKG | Chest X-ray | Tachypnea | Tachycardia | Fever | Chest Pain | Hemoptysis | Dyspnea on Exertion | Wheezing | Chest Tenderness | Nasalopharyngeal Ulceration | Carotid Bruit | |||
Chronic obstructive pulmonary disease (COPD) |
|
|
✔ | ✔ | - | - | - | ✔ | ✔ | - | - | - |
|
| |
Pulmonary embolism |
|
|
|
✔ | ✔ | ✔ (Low grade) | ✔ | ✔ (In case of massive PE) | ✔ | - | - | - | - |
|
|
Congestive heart failure |
|
✔ | ✔ | ✔ | - | - | ✔ | - | - | - | - |
|
| ||
Percarditis |
|
|
|
✔ | ✔ | ✔ (Low grade) | ✔ (Relieved by sitting up and leaning forward) | - | ✔ | - | - | - | - |
|
|
Pneumonia |
|
|
|
✔ | ✔ | ✔ | ✔ | - | ✔ | ✔ | - | - | - |
|
|
Vasculitis |
|
|
✔ | ✔ | ✔ | ✔ | ✔ | ✔ | - | ✔ | ✔ | ✔ |
|
Features Specific for Congestive Heart Failure
Chronic obstructive pulmonary disease (COPD) may be confused with congestive heart failure due to similar presentations like wheezing and shortness of breath. Features specific to congestive heart failure are:
- Orthopnea
- Paroxysmal nocturnal dyspnea
- Fine crackles on ausculatation
- Chest X ray findings of cardiac enlargement, pulmonary congestion (Kerley B lines, and pleural effusion)
- The peak expiratory flow is low in COPD whereas there is higher flow in heart failure
- Comet-tail sign on ultrasonography is a good indicator of heart failure–related dyspnea [21]
Features Specific for Bronchiectasis
- Copious purulent sputum
- Coarse crackles
- Clubbing
- CT findings suggestive of Bronchiectasis.
Features Specific for Bronchiolitis Obliterans
- History of collagen vascular disease.
- Young patient usually without a history of smoking
- CT scan shows finding of mosaic attenuation and no evidence of emphysema.
Features Specific for Chronic Asthma
- Chronic asthma responds well to bronchodilators.
- Normal diffusion capacity of lung on pulmonary function test.
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.
- ↑ Prosen G, Klemen P, Strnad M, Grmec S (2011). "Correction: Combination of lung ultrasound (a comet-tail sign) and N-terminal pro-brain natriuretic peptide in differentiating acute heart failure from chronic obstructive pulmonary disease and asthma as cause of acute dyspnea in prehospital emergency setting". Critical Care (London, England). 15 (6): 450. doi:10.1186/cc10511. PMID 22188907. Retrieved 2012-03-05. Unknown parameter
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