an unusual presentation of a known hiv related condition presenting as a septic mimic
DESCRIPTION
Michael J. Kavanaugh, M.D., of U.S. Navy Medicine, presents "An Unusual Presentation of a Known HIV Related Condition Presenting as a Septic Mimic" at AIDS Clinical RoundsTRANSCRIPT
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M I C H A E L K A V A N A U G H A P R I L 4 , 2 0 1 4
AIDS CLINICAL ROUNDS
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Disclosures
I have no relevant financial relationships with any commercial supporters.
Unlabeled/Investigational products and/or services will be mentioned in this CME offering.
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67 y/o Caucasian man with HIV/AIDS, OCT CD4+ 437/14%/VL undetectable who presents to NMCSD ER with complaint of progressive dyspnea and a mild dry cough for the last 7 days
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History Continued
Initially, his dyspnea was with stairs Progressed to flat surfaces Baseline can walk a few miles, dyspnea with 1 city block and
then at time of admission at rest for past 1-2 days
Dry cough for 7 days-no sputum or hemoptysis 10 lb weight loss over last 6 weeks Denies any fevers Reports that his home blood pressures have been low
(systolic in 80s) so he stopped taking Lisinopril
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Review of Systems
Constitution-no fevers or chills, +fatigue HEENT-no sinus tenderness or rhinorrhea Chest-one episode of substernal chest pain 4 days prior to
admission-none at present, no palpitations Resp-DOE – now at rest shortness of breath, slight dry cough,
no sputum GI-no abdominal pain, baseline chronic diarrhea-slight
improvement recently GU-increased nocturia (baseline 1x/night, now 4x/night over
last 4 week) MSK-Significant improvement in shoulder function after
steroid injection in December Neuro-noncontributory
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PMH
HIV+; dx oct2006-presented with AIDS with PCP and was admitted with respiratory distress, requiring corticosteroid therapy which resulted in a flare of KS Currently undetectable on
Truvada/Atazanavir/ritonavir/Raltegravir
Switched from Kaletra/Truvada to RAL/3tc/Ataz/Rit on 16sep 2012, previously on Atripla for short period
Genotype 10/12/06: PI mutations: I13V, M36L, L63P; no clinical resistance
Kaposi Sarcoma s/p systemic chemotherapy (doxorubicin)-Jan07-Nov07
Cryptosporidium-treated with nitazoxanide Sept10
BPH HLD Left Shoulder tendonitis-steroid
injection Dec 2013
HTN C diff-oct06 PCP-oct06; based on BAL giemsa CKD (GFR 50) ED Stage I diastolic dysfunction 3rd degree AV block s/p
pacemaker--2007, pacemaker recently checked OS PVD-jul07
B12 def. gynecomastia SCC L ear s/p MOHS-2008 L ear AK cryotherapy-Dec10 ?ABC hypersensitivity-Jul08 Diarrhea predominant IBS-since
age 45; prior significant diarrhea while on Kaletra
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Medical History continued
MEDS Truvada Raltegravir 400mg bid Atazanavir 300mg daily Ritonavir 100mg daily Uroxatral 10mg qd Lipitor 20mg qhs Synthroid 75 Lisinopril 5mg-held for 1 day Fish oil 2 pills (1200mg) qam ASA 81mg qd MVI (Ocuvite)
Allergies-Sulfa Past Surgical History Cholecystectomy 2009 Septoplasty Skin excision for SCC Shoulder injection (Dec 2013)
Social History Married-lives with wife Nonsmoker, No alcohol Retired Navy MCPO
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Exposure History
Travel: No travel outside US since 2006 Animals: 2 dogs Food Exposure: noncontributory Soil Exposure: occasional gardening in home, does
not wear a mask Other: Denies sick contacts
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Physical Exam
T98.3 P94 R16 BP 132/72 99% RA wt 56 kg GEN: NAD, A&Ox4, WDWN HEENT: PERRL, EOMI, nl sclera, no photophobia, no throat inflammation. NECK: nl thyroid, no neck masses, no JVD HEART: RRR S1/S2, no M/G/R LUNGS: CTA Bilaterally ABD: Soft NT/ND, +BS, no HSM LYMPHATICS: No LE edema, no axillary, groin, neck adenopathy. EXT: No LE edema MUSCULOSKELETAL: no joint effusions or pain, no muscle tenderness DERM: Actinic keratoses on right cheek & on his forehead, also with 2 mm of purple
hyperpigmentation on right cheek. No lesions or sores visible elsewhere. (+) for hyperpigmentation on right forearm from prior Kaposi's sarcoma
NEURO: CN 2-12 grossly intact, no focal deficits PSYCH: no perceived mood disorder, nl demeanor with appropriate behavior. LINES/DEVICES: Clean without signs of infection
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Labs/Radiology
CBC 4.9/11.3/33.2/181 N77.4 L16.5 Lytes 131/3.6/93/26/31/1.3/200 Ca 8.9 Mg 2 P 2.1 AST 16 ALT 20 Alk P 68 T bili 2.6 Alb 3.6 total protein 6.5
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Normal Chest Xray
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Differential
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Patient Evaluation
Urine Legionella pneumo Ag neg Urine Streptococcus pneumoniae Ag negative Urine Cultures negative Blood Cultures negative Respiratory Viral Panel-negative Sputum Culture-negative Sputum for silver stain-negative Sputum PCP PCR negative
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Hospital Course
CT Chest performed-negative ECG and cardiac enzymes unremarkable No antibiotics provided No bronchoscopy performed Diagnosed with a URI? Also diagnosed with new onset DM-HbA1C 6.6 Diabetic teaching provided No medications initiated
Held Lisinopril as possible source of cough Fatigue improved without significant intervention
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Clinic Follow up
Patient reports feeling very well Walking 1-2 miles per day Nocturia has returned to 1x per night (baseline) Diarrhea has remained – actually improved over last 2 months Shoulder feels very well Afebrile No cough or SOB
Blood Pressures off Lisinopril 120s-130s Blood Sugars in 130-166
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What Happened?
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Another Comparable Case
50 year old male with HIV+ CD4 503/13% VL undetectable, on Truvada, atazanavir/ritonavir (RV168 protocol patient), prior KS (Jan 2012) treated with radiation presents for clinic follow-up with 20 lb weight loss over last 6 months
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Pertinent History
Patient had intra-articular steroid injection (Aug 2013)-kenalog in left shoulder (2 years shoulder pain) Developed fatigue, shakiness and drenching night sweats
without fevers Wasting of arms and legs Dyspnea on exertion Abdominal bloating Increased urinary frequency (3x nocturia) A1C increased from 6.3->7 in one month-post-prandial glucose
180 Lost 15 lbs in 4-6 weeks New skin lesions requiring surgical removal
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Pertinent History Continued
At time-period annotated on previous, he had a recent decrease in CD4 from 504/19% to 214/11% Started on TMP/SMX Weight loss, change in CD4, history of KS & new skin lesions
Concern of recurrence
Bloating sensation with weight loss Received cholecystectomy
Adrenal insufficiency was “ruled out” by primary care provider
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Past Medical History
HIV diagnosed 1996 – genotype 2001 M184V, K103R, L63, M36
Headache syndrome Depression Allergic rhinitis Kaposi’s sarcoma Jan 2012 Radiation x 10
BPH s/p TURP Herpes Resolved hepatitis B FHx Family medical history: Diabetes-maternal side Breast CA maternal aunt
PSH PRK R inguinal hernia repair TURP-1999 Cholecystectomy – Sep 13 Septoplasty
NKDA Social History Denies tobacco + EtOH 4X/week Denies ilicits Currently in monogamous
relationship, partner is seronegative
Works in health systems management
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Medications
Atazanavir 300mg po daily Ritonavir 100mg po daily Truvada (tenofovir 300mg +Emtricitabine 200mg)
po daily Fexofenadine 60mg po bid Atorvastatin 20mg po daily Escitalopram 10mg po daily Sumitriptan prn Hydrocortisone TMP/SMX
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Physical Exam
T99.2 BP 134/86 P98 R14 Gen well appearing Head-cushingoid with moon like facies Neck-increased fat on posterior neck and upper back Oral cavity normal Lymph nodes-no abnormalities noted Lungs cta (b) CV RRR no murmur Abd +bs, soft, NT, ND, well healed surgical scars Musculoskeletal-arm thinning (b) Neuro CN II-XII intact Skin scattered purple plaques on arms, legs and bilateral feet
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Evaluation
CBC 8.1/14.2/42.4/222 N 45.9 L 46.3 E 0.7 Lytes 144/3.6/105/23/10/0.9/104 Ca 8.4 Mg 2.3 Bili 2.1 Prot 6.5 Alk P 52 ALT 43 AST 26 UA SG 1.017 protein neg, gluc neg, pH 6 Skin lesions evaluated by dermatology including bx Negative for KS
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AM Cortisol
Cortisol AM Site/Specimen 03 Oct 2013 0910 Cortisol AM SERUM 9.760 <o> mcg/dL
(6.2-19.4) Cortisol AM Site/Specimen 03 Oct 2013 0840 Cortisol AM SERUM 7.210 <o> mcg/dL
(6.2-19.4) Cortisol AM Site/Specimen 03 Oct 2013 0800 Cortisol AM SERUM 0.778 (L) <o>mcg/dL
(6.2-19.4)
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Additional Labs
Thyroxine free 1.2 nl HBA1C 7 (previous 6.3) Liver enzymes (September) Alk P 213 ALT 162 AST
33 T bili 2.73 with dbili 0.35
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Course continued
As steroid level waned-fatigue worsened Endocrine consult-Diagnosed with Cushing’s
Syndrome with secondary adrenal insufficiency Started on hydrocortisone with taper Recognized that ritonavir may be issue Checked ACTH-low nml 8 (6-50 pg/mL) MRI brain- nondiagnostic Performed cosyntropin stimulation test normal
(7.94->19) in one hour, stopped hydrocortisone
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Which of the following is an appropriate screening test for Cushing’s Syndrome?
Urine Cortisol Urine Metanephrines Salivary Metanephrines Cosyntropin (ACTH) stimulation test Serum Metanephrines
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Which of the following is an appropriate screening test for Cushing’s Syndrome?
Urine Cortisol Confirmatory with Dexamethasone suppression test
Urine Metanephrines Salivary Metanephrines Cosyntropin (ACTH) stimulation test Serum Metanephrines
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Cushing’s Syndrome
Iatrogenic hypercortisolism (most common) Ingested/injected/topical/inhaled steroids & megestrol acetate
Ectopic ACTH syndrome- 20 to small cell lung cancer or adrenal tumors
Cushing’s Disease-pituitary ACTH source Factitious Cushing’s- surreptitious intake of steroids Hypercortisolism can occur Extreme stress (including sepsis) Obesity and polycystic ovary syndrome Severe prolonged major depressive disorder Chronic alcoholism
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Clinical Manifestations
Progressive Central obesity Children with generalized obesity and growth retardation
Facial Fat accumulation “Moon facies” Buffalo hump Skin atrophy Easy bruisability Striae Fungal infections Hyperpigmentation-induced by increased ACTH (not
cortisol)-binds melanocyte-stimulating hormone Menstrual irregularities Proximal muscle wasting –catabolism Bone loss-can result in pathological fractures
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Manifestations
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Manifestations continued
Glucose intolerance Stimulation of gluconeogenesis by cortisol & peripheral insulin
resistance Hyperglycemia in 10-15% of patients
Cardiovascular disease Increased risk of MI and Stroke Hypertension
Thromboembolic disease Neuropsychiatric (labile, depressed, anxiety, panic
attacks) Increased frequency of Infections-inhibited immune
system Ophthalmologic findings-increased IOP & cataracts
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Test for Cushing’s Syndrome
Daily urinary cortisol (24 hours best) 10 pm-8 am is acceptable alternative
Late evening salivary cortisol-only beneficial if extremely elevated
Low dose dexamethasone suppression test Should suppress ACTH and subsequently reduce urine cortisol
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Test of Adrenal Insufficiency
Morning cortisol level > 11 ug/dL not adrenal suppression <3 ug/dL adrenal suppression
Follow up study is cosyntropin (ACTH) stimulation test
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Although idiopathic adrenal insufficiency in HIV is rare, what percentage of post-mortem evaluations of the adrenal gland are abnormal?
<5% 10% 25% 33% 66%
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Although idiopathic adrenal insufficiency in HIV is rare, what percentage of post-mortem evaluations of the adrenal gland are abnormal?
<5% 10% 25% 33% 66%-common sources include CMV,
Mycobacteria tuberculosis, Histoplasmosis, PCP, Toxoplasmosis and Kaposi’s Sarcoma
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Adrenal Function in HIV
Higher basal cortisol & lower dehydroepiandrosterone Overt adrenal insufficiency is uncommon Hypercortisolism in the absence of Cushings No treatment required
Hypocortisolism always requires treatment
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Comparison with Lypodystrophy with PIs “pseudo Cushings”
Altered body adipose tissue Truncal obesity Peripheral wasting Breast hypertrophy “Buffalo hump” Insulin hypersensitivity Normal cortisol and normal dexamethasone
suppression tests Lack striae and easy bruisability
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When combined with corticosteroids, which medication has been reported to be a contributing factor in iatrogenic Cushing’s Syndrome?
Etravirine Ritonavir Zidovudine Tenofovir Emtricitabine
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When combined with corticosteroids, which medication has been reported to be a contributing factor in iatrogenic Cushing’s Syndrome?
Etravirine Ritonavir Zidovudine Tenofovir Emtricitabine
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Ritonavir and Clearance of Steroids
Iatrogenic Cushing’s Syndrome with Osteoporosis and Secondary Adrenal Failure in Human Immunodeficiency Virus-Infected Patients Receiving Inhaled Corticosteroids and Ritonavir-Boosted Protease Inhibitors: Six Cases Samaras, K, Pett S, Gowers, A et al. J Clin Endo and
Metabolism 2005. Review in 2008 reported 25 cases at that date of
ritonavir and fluticasone combination
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Clearance of steroids can be delayed by PI including ritonavir
6 patients reported to develop iatrogenic Cushings following inhaled fluticasone for asthma Adrenal suppression noted in all 6 patients When fluticasone removed-4/6 developed hypocortisolism 3/6 developed osteoporosis with pathological fx (1/6) Exacerbation of DM (1/6)
These patients had prior lipodystrophy delaying diagnosis Fluticasone is lipophilic-prior lipodystrophy may contribute
Wide range of variability of 24-hour urine free cortisol levels Suppressed is suppressed Remained suppressed for > 5 months
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Samaras et al 2005 cont.
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Cushing’s syndrome with adrenal suppression induced by inhaled budesonide due to a ritonavir drug interaction with a woman with HIV infection. Yoganthan K et al. 2011 Int J STD and AIDS
48 year old HIV+ woman with CD4 812 VL undetectable on darunavir/ritonavir emtricatabine and efavirenz (stable regimen for 3 years) presented with cushingoid features after taking inhaled budesonide for 18 months Iatrogenic Cushings w/ secondary adrenal suppression After cortisols resolved, Cushingoid habitus remained
2010-Prior reported case of budesonide & PIs resulting in Cushings in 37 year old African woman
Budesonide, beclomethasone & triamcinolone recommended as safer options Fluticasone longest half life and most lipophilic
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Iatrogenic Cushing’s syndrome after intra-articular triamcinolone in a patient receiving ritonavir-boosted
darunavir Hall JJ et al. 2013 Int J STD & AIDS
Triamcinololone is metabolized by CYP3A4 Ritonavir has greatest effect on CYP3A4 of the PIs Case: 53 year old woman on darunavir/r who
developed cushinoid symptoms 2 weeks after receiving single triamcinolone dose in left shoulder
Triamcinolone injection (both intra-articular and epidural) related Cushing’s Syndrome has been reported previously (usual dose 40-80 mg)
Follow on HPA axis suppression usually 2-6 months No reports with cobicistat-but significant CYP3A4
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Diabetes and Corticosteroids
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Which of the following is the most sensitive test for diagnosis of glucocorticoid induced diabetes?
Random plasma glucose >200 mg/dl 75 g oral glucose tolerance test (2 hour value)> 150 Fasting plasma glucose>126 Hemoglobin A1C>6.5%
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Which of the following is the most sensitive test for diagnosis of glucocorticoid induced diabetes?
Random plasma glucose >200 mg/dl 75 g oral glucose tolerance test (2 hour value)> 150 Fasting plasma glucose>126 Hemoglobin A1C>6.5%
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Glucocorticoid Induced Diabetes and Adrenal Suppression
Lansang MC, Hustak L. Glucocorticoid-induced diabetes and adrenal suppresion: How to detect and manage them. Cleveland Clinic Journal of Medicine. 2011: 78: 748-756. 9% of patients with RA develop DM within 2 years of steroids All types of glucocorticoid formulations including eye drops Mechanism is insulin resistance in liver
Peak effect 4-6 hours after dose Symptoms (either iatrogenic diabetes or Cushing’s) less likely
if regimen mimics physiology (diurnal variation) Insufficiency (Addison’s)-failure of adrenals or pituitary
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Lansang et al. 2011 cont.
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Early diagnosis and treatment of steroid-induced diabetes mellitus in patients with rheumatoid arthritis and other connective tissue
diseases. Ito S et al. Modern Rheumatology 2014.
Mechanism-augmentation of hepatic gluconeogenesis & inhibition of glucose uptake in adipose tissue
Since steroids are administered in am, most hyperglycemia is afternoon post-prandial
Author recommended dividing steroid dosing
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References
http://www.uptodate.com/contents/establishing-the-diagnosis-of-cushings-syndrome?source=search_result&search=cushings&selectedTitle=1%7E150 Accessioned 31 March 2014
http://www.uptodate.com/contents/epidemiology-and-clinical-manifestations-of-cushings-syndrome?source=search_result&search=cushings&selectedTitle=2%7E150 Accessioned 31 March 2014
Samaras, K, Pett S, Gowers, A et al. Iatrogenic Cushing’s Syndrome with Osteoporosis and Secondary Adrenal Failure in Human Immunodeficiency Virus-Infected Patients Receiving Inhaled Corticosteroids and Ritonavir-Boosted Protease Inhibitors: Six Cases. J Clin Endo and Metabolism 2005: 90:2005-36.
Lansang MC, Hustak L. Glucocorticoid-induced diabetes and adrenal suppresion: Howe to detect and manage them. Cleveland Clinic Journal of Medicine. 2011: 78: 748-756.
Yoganthan K et al. Cushing’s syndrome with adrenal suppression induced by inhaled budesonide due to a ritonavir drug interaction with a woman with HIV infection. Int J STD and AIDS. 2011:23:520-521.
Hall JJ et al. Iatrogenic Cushing’s syndrome after intra-articular triamcinolone in a patient receiving ritonavir-boosted darunavir. Int J STD & AIDS. 2013: 24:748-756.
Ito S et al. Early diagnosis and treatment of steroid-induced diabetes mellitus in patients with rheumatoid arthritis and other connective tissue diseases. Modern Rheumatology 2014. 24:52-59.
Gerardo J et al. Prevalence of abnormal adrenocortical function in human immunodefiency virus by low dose cosyntropin test. Int J of STD and AIDS. 2001: 12: 804-810.
Mayo, J et al. Adrenal Function in the Human Immunodeficiency Virus-Infected Patient. Arch Intern Med. 2002: 162: 1095-1098.
Foisy MM. et al. Adrenal suppression and Cushing’s syndrome secondary to an interaction between ritonavir and fluticasone: a review of the literature.
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Questions
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Which of the following is the most sensitive test for diagnosis of glucocorticoid induced diabetes?
Random plasma glucose >200 mg/dl 75 g oral glucose tolerance test (2 hour value)> 150 Fasting plasma glucose>126 Hemoglobin A1C>6.5%
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Which of the following is the most sensitive test for diagnosis of glucocorticoid induced diabetes?
Random plasma glucose >200 mg/dl 75 g oral glucose tolerance test (2 hour value)> 150 Fasting plasma glucose>126 Hemoglobin A1C>6.5%
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When combined with corticosteroids, which medications has been reported to be a contributing factor in iatrogenic Cushing’s Syndrome?
Etravirine Ritonavir Zidovudine Tenofovir Emtricitabine
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When combined with corticosteroids, which medications has been reported to be a contributing factor in iatrogenic Cushing’s Syndrome?
Etravirine Ritonavir Zidovudine Tenofovir Emtricitabine
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Which of the following is an appropriate screening test for Cushing’s Syndrome?
Urine Cortisol Urine Metanephrines Salivary Metanephrines Cosyntropin (ACTH) stimulation test Serum Metanephrines
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Which of the following is an appropriate screening test for Cushing’s Syndrome?
Urine Cortisol Confirmatory with Dexamethasone suppression test
Urine Metanephrines Salivary Metanephrines Cosyntropin (ACTH) stimulation test Serum Metanephrines
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Although idiopathic adrenal insufficiency in HIV is rare, what percentage of post-mortem evaluations of the adrenal gland are abnormal?
<5% 10% 25% 33% 66%
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Although idiopathic adrenal insufficiency in HIV is rare, what percentage of post-mortem evaluations of the adrenal gland are abnormal?
<5% 10% 25% 33% 66%-common sources include CMV,
Mycobacteria tuberculosis, Histoplasmosis, PCP, Toxoplasmosis and Kaposi’s Sarcoma