Dr. Brian Wosnitzer

Nuclear Medicine
NY
20 years experience male

About

Bio

Brian Wosnitzer received his B.S. and M.S. degrees in Biomedical Engineering from Columbia University. He is currently a nuclear medicine physician with board certifications in nuclear medicine and nuclear cardiology. Dr. Wosnitzer is also a certified clinical densitometrist. His scientific interests include neurodegenerative diseases, cardiac imaging, and bone health.

Specialties
Doctors may have more than one area of specialty interest. Board certification in a specialty area means the doctor has completed formal training and has practice experience in that specialty, and has passed the certification examination from the corresponding accredited medical specialty board.

Nuclear Medicine

Doctor Q&A

286 Answers
136 Agrees
The number of answers this doctor has agreed with.
A 40-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
HIDA: Hida is usually performed to rule out cystic duct obstruction (acute cholecystitis) or common bile duct obstruction. Sometimes gallbladder ejection f... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Symptoms...: There are many different symptoms from brain illnesses. The specific illness would determine the specific symptoms. In general, headaches, dizziness... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
ST elevation...: Many believe that an st elevation myocardial infarction means that it is a transmural infarct (involving the whole thickness of the myocardium). Some... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Stress test...: Stress testing is best used in intermediate risk patients. It sounds like you are low risk. A negative test is accurate in ruling out ischemic heart... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Functional scan..: Renal scan is usually ordered to evaluate arterial flow to the kidneys as well as cortical concentration and excretion of tracer. Lasix (furosemide) ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
No...: After total thyroidectomy, patients are often monitored via blood tests which measure thyroglobulin levels. If thyroglobulin levels rise, this means ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Hormone withdrawal..: Usually T4 is stopped for at least 4 weeks. T3 (liothyronine) is stopped for at least 2 weeks. Tsh level can be measured in the blood to confirm ade... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Stress tests..: Stress echo, exercise ekg, exercise myocardial perfusion (nuclear), pharmacologic myocardial perfusion (nuclear).
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
FDG PET: Fdg pet is used often for oncology. Fdg uptake does not necessarily mean cancer. Infection, granulomatous disease, and tumor all can take up radioac... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Infarction: Cardiac infarction = heart attack = myocardial scarring. Infarction means dead heart tissue.
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Wall motion....: Stress echo will show stress-induced wall motion abnormalities immediately after stress. Often stress-induced wall motion abnormalities are not seen ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Scarring, pyelo: Dmsa test is usually ordered to evaluate for renal scarring or pyelonephritis.
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
ProstaScint: Prostascint is a radiolabeled monoclonal antibody to prostate-specific membrane antigen. This imaging study aids in localizing sites of soft tissue m... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Treatment...: Certain nuclear medicine treatments for lymphoma such as zevalin and Bexxar (tositumomab) are used for refractory or relapsed cd20 positive non-hodgki... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 47-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Borderline...: Gastric emptying studies are used to calculate the % gastric emptying at certain time points. Most institutions have a specific meal and protocol for... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Treatment...: Perhaps you did not wait long enough for it to heel before resuming your regular activities. Physical therapy is usually done for 3- 6 months.
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Max predicted HR...: Exercise stress testing requires that the patient reach 85% of maximum predicted heart rate. Maximum predicted heart rate is given by equation (220-a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Yes: Vq scans are still performed but not available 24 hours / 7 days per week in all institutions. Vq is often performed if there is a contraindication t... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
NO!!!!: Caffeine should not be ingested prior to pharmacologic cardiac stress since it can interfere with the results. Stopping caffeine ingestion for at lea... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Spondylolisthesis...: If pars defect is bilateral, this may allow slippage of one vertebra relative to another (spondylolisthesis).
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Hypo and hyper...: Hashimoto's thyroiditis is an autoimmune disease and can present with both hyperthyroid or hypothyroid phases. Most frequently patients have symptoms... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
RSD...: Rsd = reflex sympathetic dystophy. Other names for the same condition include sudeck's atrophy or complex regional pain syndrome (crps). The conditi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Ischemia...: Ischemia is serious. On myocardial perfusion stress tests, ischemia is usually characterized by extent, severity, and reversibility. These three term... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Stress induced...: By "provokable", i believe you mean "stress induced". Many people have no chest pain at rest but develop chest pain upon exertion or stress. This is... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
PETs...: Pet scans can be used for a variety of purposes depending on the specific radiotracer used. Most commonly, pets are done with FDG (glucose) for oncol... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Clubbing...: Clubbing is a nonspecific finding that can be seen in both benign and malignant conditions. Often clubbing is related to an intrathoracic process par... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
TFT's: Thyroid disorders are usually diagnosed via blood test and clinical symptoms. Thyroid function tests include measuring blood levels of TSH (thyroid s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 55-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Gallbladder EF: Some institutions may use different cutoff values for normal gallbladder ejection fraction. Usually a normal gallbladder ejection fraction is greater... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Depends...: Depends on the pet tracer used. Fdg (glucose) tells about tumor metabolism and can give insight into grade of tumor however there is a lot of glucose... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 41-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Depends...: If you are having a pharmacologic stress test, the caffeine can interfere with the pharmacologic agents and cause a false negative test.
Created for people with ongoing healthcare needs but benefits everyone.
A 42-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Radiation...: Mri does not give the patient radiation dose. Pet/ct gives radiation dose from both the radiotracer injection and the ct portion. Pet, ct, and MRI a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 38-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Depends...: Exercise stress tests are performed until a patient reaches target heart rate. If target heart rate is not reached, the test is often converted to a ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 48-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Calcium score: After ct scan of the heart, a physician looks at all of the calcium in the coronary arteries and uses software to calculate a total calcium score. Th... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 30-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
It's complicated...: Each institution has its own standard meal ; imaging protocol for gastric emptying studies. Each institution also has it's own normal database to com... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 29-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
PET tracers..: There are many pet tracers which can be used for different indications. Some indications include cardiac perfusion, oncologic imaging, and beta amylo... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 33-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Subacute thyroiditis: If your TSH is high and your other thyroid lab values (thyroid hormone levels) are normal, this means that you have subclinical hypothyroidism. Hypot... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
SPECT...: In spect, a camera rotates around the patient and allows reconstruction of data so the body can be viewed similar to ct scan. One can scroll through ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Many symptoms...: Many symptoms of panic attacks overlap with symptoms of pheochromocytoma. High blood pressure, palpitations, rapid heart rate, sweating, headaches, p... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old male asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Cardiac pet...: Cardiac pet is useful to evaluate is there is ischemia (lack or blood flow and oxygenation) to the heart. It can also detect if there is myocardial s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Depends...: Radiotherapy does come with an increased risk of cancer. Children are particularly sensitive to radiation. Radiation to the head/neck region is a ri... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Wall motion....: Stress induced heart wall motion abnormalities may not be seen on Lexiscan stress test since images are not usually acquired immediately after stress.... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 51-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Biopsy: What was biopsied between your lung and kidney... your adrenal gland? Depends and the CT appearance and how high the metabolic activity was on PET. ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Radioactive iodine ?: Did you ever have a radioactive iodine ablation to get rid of remnant tissue? Residual tissue in the thyroid bed could be remnant tissue or recurrenc... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Ca score...: Sources may vary but... Calcium score of 1-10 implies minimal identifiable atherosclerotic plaque with a very unlikely risk, less than 10%, of coro... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 43-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
GBEF...: Gallbladder ejection fraction should be at least 50%. If gbef is 30 - 35%, often physicians will consider cholecystectomy depending on the clinical s... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Kidney pain...: Differential diagnostic considerations would include kidney stones and urinary tract obstruction. Any groin pain? Ultrasound may be helpful.
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Obstruction...: If tracer is not visualized in the gallbladder during the appropriate scanning period, this means there is cystic duct obstruction which is seen with... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old member asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Bones scan...: Do you mean you saw white spots on the scan? Bone scans can be viewed on different color scales. Bones can be white on a black background or black o... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
Exercise treadmill: You could probably have an exercise treadmill test where you exercise while an ekg is performed. Keep in mind that studies have reported that there c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old female asked:
Dr. Brian Wosnitzer
Nuclear Medicine 20 years experience
PET: Do you have any history of cancer? Did the lesions have any FDG uptake on pet? Lesions that size may be below the resolution of pet imaging. It is ... Read More
Created for people with ongoing healthcare needs but benefits everyone.

Testimonials
Recommendations and Thank you notes are endorsements given from patients or other doctors.

2
Recommendations
212
Thank you notes
HealthTap member
Mar 30, 2015
Dr. Wosnitzer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
Mar 31, 2015
Dr. Wosnitzer is an amazing doctor! #nationaldoctorsday2015 #virtualflower1
HealthTap member
This was very helpful. Thanks! Thank you doctor, I wish the reporting radiologist was as clear as you. Thank you so much.
HealthTap member
This was very helpful. Thanks! The only way to know for sure is with a heart cath. I don't like the risk at this point.
HealthTap member
Thank you, your answer was very helpful! I was told not to bx to void infx or malignant seeding. Lotsa scans :(

Education & Training

Residency

St. Luke's Roosevelt Hospital Center
Completed 2012

Awards

HealthTap Founding Doctor

Affiliations

Society of Nuclear Medicine
American College of Radiology
Radiological Society of North America
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