Patient Portal

Ajay Chapa, MD, MBA

Instructor, Radiology

Division of Musculoskeletal Radiology

Specialty Areas

Radiology
Diagnostic Radiology
Musculoskeletal Radiology

Board Certifications

Radiology

Hospital Affiliations

Progress West Hospital
Barnes-Jewish Hospital
Barnes-Jewish St. Peters Hospital

Areas of Clinical Interest

Radiology, diagnostic radiology

  • Maps & Directions
  • Education
  • Publication & Research

Maps & Directions

Maps & Directions

Barnes-Jewish St. Peters Hospital

10 Hospital Drive
St. Peters , MO 63376

Office Phone: (636) 916-9160

Progress West Hospital

2 Progress Point Parkway
O'Fallon, MO 63368

Office Phone: (636) 344-1000
Fax: (636) 344-1716

Center for Advanced Medicine - South County

5201 Midamerica Plaza
St. Louis, MO 63129

Education

Education

Residency, Diagnostic Radiology: St. Joseph Regional Medical Center, Milwaukee, WI 2011
Fellowship, Combined Musculoskeletal/Body : Rush University, Chicago, IL 2012
BS, Biology: Bradley University, Peoria, IL 2001
MS, Applied Physiology: Chicago Medical School, Chicago, IL 2002
Medical Degree: University of Illinois, Peoria, IL 2006

Publication & Research

Publication & Research

Efficacy of high-flow oxygen by nasal cannula with active humidification in a patient with acute respiratory failure of neuromuscular origin.
Díaz-Lobato S, Folgado MA, Chapa A, Mayoralas Alises S
Respir Care. 2013 Dec; 58(12)e164-7. doi: 10.4187/respcare.02115.

PMID:
    23650430
    [PubMed - indexed for MEDLINE]
Related citations


Evaporative tunnel cooling of dairy cows in the southeast. II: impact on lactation performance.
Smith TR, Chapa A, Willard S, Herndon C Jr, Williams RJ, Crouch J, Riley T, Pogue D
J Dairy Sci. 2006 Oct; 89(10)3915-23.

PMID:
    16960067
    [PubMed - indexed for MEDLINE]
Related citations


Evaporative tunnel cooling of dairy cows in the southeast. I: effect on body temperature and respiration rate.
Smith TR, Chapa A, Willard S, Herndon C Jr, Williams RJ, Crouch J, Riley T, Pogue D
J Dairy Sci. 2006 Oct; 89(10)3904-14.

PMID:
    16960066
    [PubMed - indexed for MEDLINE]
Related citations


Imaging of rhinosinusitis and its complications: plain film, CT, and MRI.
Mafee MF, Tran BH, Chapa AR
Clin Rev Allergy Immunol. 2006 Jun; 30(3)165-86.

PMID:
    16785588
    [PubMed - indexed for MEDLINE]
Related citations


Supplemental dietary protein for grazing dairy cows: reproduction, condition loss, plasma metabolites, and insulin.
Chapa AM, McCormick ME, Fernandez JM, French DD, Ward JD, Beatty JF
J Dairy Sci. 2001 Apr; 84(4)908-16.

PMID:
    11352167
    [PubMed - indexed for MEDLINE]
Related citations


Supplemental dietary protein for grazing dairy cows: effect on pasture intake and lactation performance.
McCormick ME, Ward JD, Redfearn DD, French DD, Blouin DC, Chapa AM, Fernandez JM
J Dairy Sci. 2001 Apr; 84(4)896-907.

PMID:
    11352166
    [PubMed - indexed for MEDLINE]
Related citations


Influence of dietary carnitine in growing sheep fed diets containing non-protein nitrogen.
Chapa AM, Fernandez JM, White TW, Bunting LD, Gentry LR, Lovejoy JC, Owen KQ
Small Rumin Res. 2001 Apr; 40(1)13-28.

PMID:
    11259872
    [PubMed - as supplied by publisher]
Related citations


Effect of region, herd size, and milk production on reasons cows leave the herd.
Smith JW, Ely LO, Chapa AM
J Dairy Sci. 2000 Dec; 83(12)2980-7.

PMID:
    11132870
    [PubMed - indexed for MEDLINE]
Related citations


Crude protein and rumen undergradable protein effects on reproduction and lactation performance of Holstein cows.
McCormick ME, French DD, Brown TF, Cuomo GJ, Chapa AM, Fernandez JM, Beatty JF, Blouin DC
J Dairy Sci. 1999 Dec; 82(12)2697-708.

PMID:
    10629817
    [PubMed - indexed for MEDLINE]
Related citations


Dietary protein and chromium tripicolinate in Suffolk wether lambs: effects on production characteristics, metabolic and hormonal responses, and immune status.
Gentry LR, Fernandez JM, Ward TL, White TW, Southern LL, Bidner TD, Thompson DL Jr, Horohov DW, Chapa AM, Sahlu T
J Anim Sci. 1999 May; 77(5)1284-94.

PMID:
    10340598
    [PubMed - indexed for MEDLINE]
Related citations


Influence of intravenous L-carnitine administration in sheep preceding an oral urea drench.
Chapa AM, Fernandez JM, White TW, Bunting LD, Gentry LR, Ward TL, Blum SA
J Anim Sci. 1998 Nov; 76(11)2930-7.

PMID:
    9856404
    [PubMed - indexed for MEDLINE]
Related citations


Effects of fish meal and sodium bentonite on daily gain, wool growth, carcass characteristics, and ruminal and blood characteristics of lambs fed concentrate diets.
Walz LS, White TW, Fernandez JM, Gentry LR, Blouin DC, Froetschel MA, Brown TF, Lupton CJ, Chapa AM
J Anim Sci. 1998 Aug; 76(8)2025-31.

PMID:
    9734851
    [PubMed - indexed for MEDLINE]
Related citations


Endocrine and metabolic response to muscarinic stimulation and inhibition in the ruminant: effects of slaframine.
Chapa AM, Fernandez JM, Thompson DL Jr, Tempelman RJ, Berrio LF, Croom WJ Jr, Hagler WM Jr
J Anim Sci. 1995 Dec; 73(12)3673-80.

PMID:
    8655443
    [PubMed - indexed for MEDLINE]
Related citations