sjh

Steven Johan Halvorson, B.S.

Picture

Steven Johan Halvorson, B.S.

Dir, Laboratory

Email

sjh@bcm.edu

Positions

Dir, Laboratory: Virol and Micro: Biosafety/Support
Baylor College of Medicine
Houston, TX US

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Baylor College of Medicine

sjh

Steven Johan Halvorson, B.S.

Steven Johan Halvorson, B.S.

Dir, Laboratory

Email

Positions

american sign language
punjabi
kannada
korean
malayalam
marathi
other
portuguese
russian
italian
somali
spanish
tagalog
tamil
telugu
turkish
urdu
japanese
hindi
arabic
chinese (wu)
bengali
chinese (cantonese)
chinese (gan)
chinese (hakka)
chinese (mandarin)
chinese (min)
chinese (xiang)
hebrew
dutch
english
farsi
french
german
greek
gujarati
vietnamese

abdominal aortic aneurysm
abdominal pain
abdominal swelling
abnormal blood test causes by kidney
abnormal menstrual bleeding
abnormal pap smears
achalasia
achilles tendonitis
acid-base/electrolyte disturbances
acl injury
acne
acoustic neuroma
acquired torsion dystonia
actinic keratosis
acute and chronic renal failure
acute angle closure glaucoma
acute care
acute ischemic stroke
acute kidney disease
addison's disease
adjustment disorder
adult congenital heart disease
altered mental status
alveolar hypoventilation
alzheimer's disease
amenorrhea
ampullary cancer
amyloidosis
anal cancer
anal fissure
anal fistula
anemia disorders
ankle injury
ankle sprain
ankle swelling
ankylosing spondylitis
anorectal abscess
anorexia
anxiety
aortic disease
aortic regurgitation
aortic surgery
aortic valve stenosis
aponeurotic ptosis
appendiceal cancer
arch aneurysm
arrhythmia
arteriovenous fistulae
arteriovenous malformation
ascending aortic aneurysm
asperger's syndrome
asthma
astigmatism
ataxia
atherosclerosis
atopic dermatitis
atrial fibrillation
atrial flutter
attention deficit hyperactivity disorder
atypical parkinsonism
autism
autoimmune disease
autoimmune encephalitis
avascular necrosis
back pain
back trauma
barrett esophagus
basal cell carcinoma
benign neoplasm
benign prostatic hyperplasia
bicipital tendinitis
big spleen
bile duct cancer
biliary disease patient requiring ercp
biliary disease patient requiring eus
bipolar disorder
bladder cancer
bladder infection
bladder stone, urinary
blood in urine
bloodclotting problems
body dysmorphic disorder
bone cancer
bone infection
borderline personality disorder
brachial plexus injury
bradycardia
brain abscess
brain arteriovenous malformation
brain bleed
brain tumor
brain tumor embolization
breast abscess
breast cancer
breast cyst
breast fat necrosis
breast fibroadenoma
broken bones
broken jaw
broken leg
bronchiectasis
bronchitis
bunion
bunion of big toe
burning mouth syndrome
burns
bursitis
cancer
cardiac arrhythmia
cardiomegaly
cardiomyopathy
cardiovascular disease prevention
carotid artery disease
carotid disease
carotid stenosis
carpal tunnel syndrome
cataracts
cavernous malformations
cavernous sinus disorders
celiac disease
central nervous system vasculitis
central sleep apnea
cerebellar ataxia
cerebellar hemorrhage
cerebellar syndrome
cerebral aneurysm
cerebral contusion
cerebral palsy
cerebral vascular accident
cerebrospinal fluid rhinorrhea
cerebrovascular accident
cervical myelopathy
cervical polyps
cervical radiculopathy
cervical spine stenosis
cervical spondylosis
charcot-marie-tooth disease
check-up
chest infections
chest wall hernia
chest wall tumors
chiari malformations
cholecystitis
choledocholithiasis
cholelithiasis
cholesteatoma
cholesterol
chondromalacia
chronic back pain
chronic condition from childhood
chronic diarrhea
chronic disease management
chronic kidney disease
chronic liver disease
chronic mastoiditis
chronic myelogenous leukemia
chronic obstructive pulmonary disease
chronic pain
chronic sinusitis
chronic tonsils and adenoids
circadian rhythm disorders
cirrhosis
clavicle fracture
clostridium difficile
coarctation of aorta
colitis
colon cancer
colon disorder
colon polyps
colonic diverticulitis
common cold
complex partial seizures
complex regional pain syndrome
compression fracture
concussion
conduct disorder
congenital heart disease
congestive heart failure
constipation
contact dermatitis
conversion disorder
coronary artery bypass grafting (cabg)
coronary artery disease
coronary artery dissection
corticobasal degeneration
cubital tunnel syndrome
cushing disease
cystic fibrosis
cystic fibrosis-related diabetes, cfrd
cystic kidney diseases
cystocele
dandruff
de quervain's tenosynovitis
deconditioning
deep venous thrombosis
degenerative and traumatic spinal conditions
delusional disorder
dementia
demyelinating diseases
descending and thoracoabdominal aortic aneurysm
detached retina
developmental delay
diabetes insipidus
diabetes mellitus type 1
diabetes mellitus type 2
diabetic foot
diabetic ketoacidosis
diabetic nephropathy
diabetic retinopathy
dialysis access
diaphragm
diaphragm hernia
diaphragm paralysis
difficulty swallowing
disease of larynx
disease of pharynx
disease of the vulva
dislocated lens
dissecting aortic aneurysm
diverticulitis
down syndrome
drug overuse
ductal carcinoma in situ
duodenal cancer
dupuytren's contracture
dural arterial venous fistuals of the brain and spine
dysfunction of the eustachian tube
dyslexia
dyslipidemia
dysphagia
dysphonia
dysthymia
dystonia
elbow dislocation
emphysema
encephalopathy
endocarditis
endometrial polyps
endometriosis
endophthalmitis
endourology
endovascular repair of aortic aneurysms
enlarged lymph nodes
eosinophilic esophagitis
eosinophilic gastrointestinal disease
epidural abscess
epidural hematoma
epilepsy
erectile dysfunction
esophageal achalasia
esophageal cancer
esophageal disorder
esophageal diverticulum
esophageal motility disorder
esophageal stricture
esophageal varices
esophagitis
essential hypertension
essential tremor
extremity trauma
face & neck injury
face and neck injury
facial bone fracture
facial nerve paralysis
facial trauma
fallen arches
falls
family medicine
family physician
farsightedness
fecal impaction
fecal incontinence
female incontinence
femur fracture
fibrocystic breasts
fibromyalgia
finger dislocation
finger fracture
finger laceration
fistulas
flat feet
fluid in the middle ear
foot fracture
foot sprain
foot swelling
foot ulcer
forearm fracture
fracture
fragile x syndrome
friedreich's ataxia
gait disorder
gallbladder cancer
gallbladder polyps
gallstones
gas
gastric bypass history
gastric cancer
gastric ulcer
gastritis
gastroenteritis
gastroesophageal reflux
gastrointestinal bleeding
gastrointestinal cancer
gastrointestinal perforation
gastrointestinal stromal tumor
gastroparesis
general internal medicine
generalized seizure disorder
genetic & cystic kidney diseases
genetic and cystic kidney diseases
genetic andamp
genetic condition
genetic mutation
genital herpes
genital reconstruction
genital warts
genitourinary cancer
genitourinary fistula
geriatric gastroenterology
geriatric syndromes
glaucoma
glomerulonephritis
goiter
golfer's elbow
gout
graves eye disease
graves' disease
greater trochanteric bursitis
guillain barre syndrome
gynecomastia
h. pylori infection
hammer toes
hamstring injury
hand fracture
hand laceration
head and neck cancer
headache
hearing disorders
heart valve repair and replacement, including tavr
hemangioma
hematocele
hemorrhage
hemorrhagic stroke
hemorrhoid
hemorrhoids
hepatitis
hepatitis a
hepatitis b
hepatitis c
hernia
herniated disc
hiatal hernia
hiatial hernia
high cholesterol
high white blood cell count
hip arthritis
hip pain
hiv aids
hodgkin's disease
huntington disease
hydrocele
hydrocephalus
hydronephrosis
hyperlipidemia
hyperosmolar hyperglycemic state
hyperparathyroidism
hypersomnia
hypertension
hyperthyroidism
hypertrophic cardiomyopathy
hypoglycemia
hypoparathyroidism
hypothyroidism
hypoventilation in neuromuscular disease
idiopathic thrombocytopenia purpura
ileitis
immunizations
impingement syndrome of shoulder
incisional hernia
infection
inflammation of testicular tubes
inflammatory bowel disease
inflammatory bowel disease, ibd
inguinal hernia
insomnia
intellectual disability
interstitial cystitis
interstitial lung disease
intracranial atherosclerosis disease
intracranial hemorrhage
intussusception
invasive ductal carcinoma
invasive lobular carcinoma
irritable bowel syndrome
irritable bowel syndrome, ibs
joint arthritis
joint infection
joint pain
keloid
kidney stone
kidney transplantation
knee injury
knee ligament sprain
knee pain
leg swelling
leukemia
lewy body dementia
lichen planus
ligament sprain
ligament tear
liver cancer
lou gehrig's disease
low back pain
low blood pressure
low white blood cell count
lower leg fracture
lumbar radiculopathy
lumbar spinal stenosis
lumbar spondylosis
lung & chest infections
lung and chest infections
lung andamp
lung cancer
lung nodule
lupus
lyme disease
lymphedema
macular degeneration
major depressive disorder
malabsorption syndrome
male infertility
malignant mesothelioma
mallet finger
marfan syndrome
mastitis
mastoiditis
maxillary sinus carcinoma
meckel's diverticulum
mediastinal lymph nodes
mediastinal mass
mediastinal tumors
mediastinitis
medical disorders and problems in pregnancy
medically complex
medically fragile
melanoma
melasma
meniere's disease
meningioma
meniscus injury
menopause
menstrual disorders
mesothelioma
middle ear anomaly
migraine
mitral regurgitation
mitral stenosis
mitral valve prolapse
molar pregnancy
mole
mouth cancer
moyamoya
moyamoya disease
mugs
multiple myeloma
multiple pregnancy
multiple sclerosis
multiple system atrophy
muscle pain
muscle strain
muscle tear
muscle weakness-general
myasthenia gravis
myelodysplasia
myocardial infarction
myocarditis
myositis
narcolepsy
nasal cancer
nasal deformity
nasal fracture
nasal polyps
nasal septum deviation
nasopharyngeal carcinoma
nausea/vomiting
nearsightedness
neck pain
nervous stomach
neuroendocrine cancer
neurogenic bladder
neuromyelitis optica spectrum disorders
non cardiac chest pain
non-hodgkin's lymphoma
nonsteroidal anti-inflammatory drug overdose
nose bleed
nursemaid's elbow
obesity
obesity hypoventilation syndrome
obsessive compulsive disorder
occupational lung disease
optic neuritis
oral leukoplakia
orbital fracture
orbital mass
orchitis
osteoarthritis
osteochondritis dissecans
osteopenia
osteoporosis
ovarian cyst
overactive bladder
overuse injuries
paget disease of the bone
paget disease of the nipple
pain
pancreas biliary
pancreas inflammation
pancreatic cancer
pancreatic neuroendocrine tumors
pancreatic pseudocyst
pancreatitic cyst
pancreatitis
panhypopituitarism
panic disorder
parasomnias
parasophageal hernia
parathyroid cancer
parkinson's disease
parotitis
patellar dislocation
patellar tendon rupture
pelvic organ prolapse
pelvic pain
pemphigoid
peripheral arterial disease
peripheral nerve disorders
peripheral nerve transection
peripheral vascular disease
peritoneal mesothelioma
peritonsillar abscess
personality disorder
peyronie’s disease
pharyngeal pouch
pheochromocytoma
phimosis
phobias
pituitary tumor
plantar fasciitis
plasmacell disorders
pleural effusion
pneumothorax
polycystic kidney disease
polymyalgia rheumatica
polypharmacy
post operative pain
post-traumatic stress disorder
posterior cruciate ligament injuries
posterior vitreous detachment
prediabetes
pregnancy
pregnancy complications
presbyopia
prevention
priapism
primary care
primary sclerosing cholangitis
progressive supranuclear palsy
prostate cancer
protein in urine
pseudogout
pseudotumor cerebri
psoriasis
psoriatic arthritis
puerperal depression
pulmonary fibrosis
pulsatile tinnitus from venous stenosis
puncture wound, finger
puncture wound, hand
pyschogenic movement disorder
radial head fracture
rash
raynaud's disease
rectal bleeding
rectal cancer
reflex sympathetic dystrophy
renal cancer
renal failure, acute
renal failure, chronic
respiratory failure
retinal artery occlusion
retinal vein occlusion
rheumatoid arthritis
rheumatologic and glomerular diseases
rosacea
rotator cuff syndrome
running injuries
sarcoma
scaphoid fracture
scar
schizoaffective disorder
schizophrenia
sciatica
scleroderma
scoliosis
seasonal affective disorder
seborrheic dermatitis
seizure
semicircular canal fistula
sexual health and dysfunction
sexually transmitted disease
shin splints
shock
shoulder and elbow injuries
shoulder injury
shoulder joint dislocation
shoulder pain
shoulder sprain
si joint dysfunction
sickle cell disease
sinusitis
situational depression
sjogren's syndrome
sleep apnea
sleep related movement disorders
small bowel cancer
small bowel lymphoma
small cell lung cancer
small intestinal tumors
smoking
snoring
social anxiety disorder
somatization disorder
special needs
spermatocele
spina bifida
spinal cord injury, acute
spinal cord tumor
spinal disorders
spinal trauma
spinal vascular diseases
splenic tumors
spondylolisthesis
sports injury
sprain
squamous cell cancer
stenosis of larynx
stomach cancer
structural heart disease
subarachnoid hemorrhage
subdural hematoma
substance abuse
supracondylar fracture
surgical repair of other aortic and cardiac anomalies
surgical treatment (sympathectomy) for hyperhidrosis
swallowing disorders
systemic sclerosis
tachycardia
temporal arteritis
temporal lobe epilepsy
tendon laceration
tendonitis
tennis elbow
tenosynovitis
testicular cancer
testicular torsion
testosterone deficiency
thalassemia
thoracic aortic aneurysm
thoracic outlet syndrome
thoracic spondylosis
thymic tumors
thymoma/thymic carcinoma
thyroid cancer
thyroid cyst
thyroiditis
toe fracture
tongue cancer
tonsillar cancer
tourette syndrome
tracheal stenosis
transient global amnesia
transient ischemic attack
transverse myelitis
trauma
traumatic brain injury
traumatic nerve injury
travel medicine
triangular fibrocartilage complex injury
trigeminal neuralgia
trigger finger
triple negative breast cancer
triwushutr
tropical infections
tumors of the mouth, head, and neck
tylenol overdose
tylenol poisoning
ulcerative colitis
ulcerative proctitis
ulnar neuropathy
umbilical hernia
unexplained shortness of breath
upper respiratory tract infection
urethral diverticulum
urethral stricture
urethritis
urethroplasty
urinary incontinence
urinary obstruction
urinary stone disease
urinary tract infection
urinary tract malformation
urine retention
urologic oncology
urologic trauma
uterine fibroids
uterine prolapse
vaginal atrophy
vaginitis
valve surgery
valvular heart disease
vascular dementia
vasculitis
vasectomy
vasectomy reversal
ventral hernia
vertigo
vocal cord disease
vocal cord paralysis
waldenstrom macroglobulinemia
wegener's granulomatosis
weight loss
wrist fracture
wrist sprain
zenker's diverticulum

abdominal wall reconstruction
addiction medicine
adult cancer genetics
adult development care
adult genetics
aesthetic surgery
allergy and immunology
anatomic and clinical pathology
anti-reflux surgery
aortic surgery
arthroscopic surgery
audiology
balance disorders
balloon endoscopy
bariatric surgery
behavioral medicine
blood and cancer care
body contouring
botulinum toxin injections
brachial plexus surgery
breast oncology
breast reconstruction
breast surgery
cancer care
cancer survivorship
cardiac surgery
cardiology
cardiothoracic surgery
cardiovascular surgery
carpal tunnel release
celiac block
cerebrovascular surgery
chest wall surgery
clinical biochemical genetics
clinical cardiac electrophysiology
clinical cytogenetics
clinical genetics
clinical lipidology
clinical molecular genetics
clinical neurophysiology
clinical pathology
clinical psychology
colon and rectal surgery
complex burn reconstruction
concierge medicine
cosmetic surgery
critical care medicine
critical care surgery
cystic fibrosis
deep brain stimulation (DBS) surgery
deep brain stimulation programming
dermatology
dermatopathology
diabetes, endocrinology and metabolism
diagnostic radiology
diagnostic ultrasound
dialysis
ear, nose, and throat
echocardiography
elbow surgery
electromyography and nerve conduction studies
emergency general surgery
endocrine surgery
endocrinology
epilepsy genetics
esophageal cancer surgery
esophageal surgery
face, neck and brow lift
facial plastic surgery
facial reconstruction
family medicine
feeding tube
fetal intervention
fetal surgery
foot and ankle
foot and ankle surgery
gastroenterology
general medicine
general neurology
general surgery
gerd surgery
geriatric medicine
gynecologic oncology
hand surgery
head and neck cancer
head and neck surgery
head and neck tumor embolization
health psychology
heart and lung transplant
heart andamp
heart valve surgery
hematology
hepatology
hernia surgery
hiatal hernia surgery
hip and knee injuries
hip surgery
hyperthermic intrapertionial chemotherapy (hipec)
infectious disease medicine
infertility and reproductive endocrinology
internal medicine
interventional cardiology
interventional pulmonology
joint injections
joint repair and restoration
joint replacement
kidney transplantation
knee surgery
lap band surgery
limb salvage
liver surgery
lower extremity surgery
lung cancer surgery
lung surgery
lung transplant
lung transplantation
lymphedema surgery
maternal and fetal medicine
medical biochemical genetics
mesothelioma
microsurgery
minimally invasive gynecologic surgery
minimally invasive spine surgery
minimally invasive surgery
mohs surgery
musculoskeletal medicine
nephrology
neuro oncology
neurodevelopment disabilities
neurogenetics
neurology
neuromuscular medicine
neuropsychology
neurosurgery
obstetrics and gynecology
oncology
ophthalmology
optometry
oral and maxillofacial surgery
orthopedic hand surgery
orthopedic surgery
orthopedic trauma surgery
osteoarthritis
otolaryngology
otology and neurotology
overuse injuries
pain management
pain medicine
pancreas surgery
parkinson's disease and movement disorders
pediatric adolescent gynecology
pediatric endocrinology
pediatric surgery
physical medicine and rehabilitation
physical therapy
plastic surgery
plastic surgery within the head and neck
podiatry
preventive medicine
primary care
psychiatry
psychology
pulmonology
radiation oncology
radiological physics
radiology
re-operative/revision spine surgery
reflux surgery
regenerative medicine
regenerative medicine therapy
regenerative sports medicine
reproductive psychiatry
rheumatology
robotic surgery
running injuries
shoulder and elbow injuries
shoulder surgery
si joint dysfunction
skin cancer
skull surgery
sleep medicine
sleeve gastrectomy
spinal cord tumor embolization
spine management
spine medicine
spine neurosurgery
spine surgery
sports medicine
sports medicine rehabilitation
sports medicine surgery
sports specific rehabilitation
surgical critical care
surgical oncology
surgical specialties
thoracic surgery
thymic surgery
thymoma surgery
thyroid surgery
total joint replacement
tracheal surgery
transplant hepatology
transplant surgery
trauma surgery
ultrasound guided musculoskeletal injection
upper extremity surgery
urogynecology
urology
vascular neurology
vascular surgery
vasectomy reversal
weight loss procedure/surgery
weight management
whipple procedure
wound care
wrist surgery