Locations
Pediatric Specialty Faculty, Children's Hospital of Orange County
Orange, CA
About
Bio
born and raised in texas. college at united states military academy (west point). served in army for 21 years and retired as colonel. moved to las vegas as a private practice pediatric surgeon. after 18 years in vegas moved to southern california to work at CHOC. Have been a pediatric surgeon since 1989.
SpecialtiesDoctors 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.
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.
Pediatric Surgery
Licenses
United States: California
Doctor Q&A
1.1K Answers
1.5K Agrees
The number of answers this doctor has agreed with.
A 21-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Early: Neuroblastoma usually shows up in childhood. Usually under two years of age. It is a cancer of the sympathetic nervous system. It can appear anywhere ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsReviewed >2 years ago
A 54-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Worry: Periods should last several days and taper. Periods that last too long or are too heavy may indicate a bleeding condition. Von willibrand's disease is... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 26-year-old female asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Talk to her: We have all had better days. We all age as times goes by. Some us try to take better care of ourselves. Tell her you want to be attracted to the woman... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 47-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Early in life: Usually at 1-2 yerars of age. The earlier the better the prognosis.
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsReviewed >2 years ago
A 38-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Not usually: Funnel chest or pectus excavatum is a defect of the chest wall and the ribs and stenrum that form the chest wall. These structures can be very rigid i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 31-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Yes: The purpose of the biopsy is to confirm the nature of the mass. If the biopsy is positive then chemotherapy can be started and a port or broviac inser... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 35-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
No: Once appendix gets sick and inflamed it will get steadily worse and eventually rupture. Harry houdini died of a ruptured appendix.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 23-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Never: Diaphragmatic hernias never close spontaneously. They have to be closed surgically after the baby is stabilized and the pulmonary hypertension resolve... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
It can: Lymphangiomas are defects of the lymphatic system. They can be very invasive and infiltrating, therefore difficult to remove completely. Recurrence ra... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsReviewed >2 years ago
A 41-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Depends: There is no medicine that can prevent nec. Antibiotics and bowel rest, decompression, and close surveillance are necessary to manage the baby.
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsAnswered >2 years ago
A 28-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Maybe: Bananas are recommended for diarrhea to calm the bowel. I have not heard of them causing constipation.
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Depends: Most children treated surgically for hirschsprung's will do well and live a normal life. A lot depends on the length of colon/intestine involved.
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 30-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
You shouldn't: Hand pain in a hand containing an IV could indicate infiltration of the iv. It is a relative indication to remove the IV and restart elsewhere if it i... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
No: None known. Cause is unknown. Occurrence is about 1:4500-5000 live births.
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
No: Lymphangiomas are congenital malformations of the lymphatic system. They can get infected but do not predispose a child to frequent illness.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 44-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Not usually: But you could be at risk for a recurrent hernia at the site of surgical repair due to inadequate tissue at the site of the omphalocele.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 25-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Yes: Nortriptaline is an antidepressant that has some efficacy in ibs. It is usually prescribed by a gastroenterologist. If it fails to work satisfactorily... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsReviewed >2 years ago
A 41-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Depends: If you are prone to pain or tearing of foreskin with erections it could be an indication for circumcision.
Created for people with ongoing healthcare needs but benefits everyone.
4.9k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Depends: You are talking about a pectus excavatum. Normally these children have very few in the way of symptoms. They can do any sport contact or not. If exer... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 32-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Unclear: Vomiting and increased intracranial pressure (icp) go hand in hand. Why increased pressure is related to vomiting is unclear. Hydrocephalus, bleeding,... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Symptoms: When the patent for amen ovale causes symptoms of respiratory effort, shortness of breath, decreased exercise tolerance, etc.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 31-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Miralax (polyethylene glycol): This is an over the counter medication. Take one capful with whatever juice of fluid you prefer once a day. It is odorless and tasteless.
Created for people with ongoing healthcare needs but benefits everyone.
6k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Many: Rectal pain can be caused by a thrombosed hemorrhoid. Rectal fissure or tear, and by infection such as a perianal abscess. Some of these conditions ca... Read More
Created for people with ongoing healthcare needs but benefits everyone.
6.1k viewsAnswered >2 years ago
A 31-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Infants: Infants over the age of 2 weeks who are still jaundiced or getting worse should be worked up for biliary atresia. Yellow tinge to whites of eyes dark... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.4k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Yes: Especially the percocet. Many analgesics and/ or narcotics affect GI motility resulting in constipation.
Created for people with ongoing healthcare needs but benefits everyone.
5.9k viewsReviewed >2 years ago
A 40-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Pediatrician: A good experienced pediatrician can make the diagnosis, especially if they have other patients with rett's.
Created for people with ongoing healthcare needs but benefits everyone.
5.8k viewsReviewed >2 years ago
A 29-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Abdomen: The duodenal is the duodenum which is a short piece of intestine that connects the stomach to the small intestine where all the nutrients are absorbed... Read More
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5.7k viewsReviewed >2 years ago
A 48-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Abnormal heart beat: The rate of heart beat originates from the pacemaker in the sinus. If it is irregular then the rate of the ventricles is irregular. If it is slow then... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 40-year-old male asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Pain in testicle: Epididymitis is inflammation of the organ by the same name. It is located at the top of the testicle and may be associated with reddness and swelling.... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 43-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
SIDS: Also known as sudden infant death syndrome. This is when an otherwise healthy baby is put down to rest or sleep and when the parent checks on them fin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 37-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Fairly quickly: Usually within 6-8 hours depending upon one's transit time (how fast things move through one's intestine).
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 34-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Very few: Vomiting is common after surgery for pyloric stenosis if fed too fast or too much volume. It always takes the stomach a week or two to adjust to surge... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 43-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Lump, pain: A ventral hernia is a defect in the abdominal wall muscle that allows abdominal organs to protrude causing a lump or mass. If these organs are squeeze... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Gradual: One to two weeks.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 45-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Depends: It depends upon your climate and time of year. Water, energy bars, gps, flashlight, butane lighter or matches. Knife with other utility tools, blanket... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsAnswered >2 years ago
A member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Chanchre sore: This is probably a chanchre or fever blister. These are usually related to stress. An oral antiviral will usually speed resolution.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 36-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Rectal bleeding: Classic hallmarks of intussusception in a child are abdominal pain, lethargy and rectal bleeding (currant jelly stools). It is diagnosed with an air-c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 48-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Minmal: Depends where the cyst is located. If a ganglion of the wrist then adjacent structures are at risk like tendons, nerves, or blood vessels.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsAnswered >2 years ago
A 45-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Minimal: Not significant and certainly not noticable.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 38-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Easy: Check with your local medical society. It is like checking with the better business bureau.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 47-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Several things: Complete physical head to toe. Simple blood tests inlc test for prostate in males, ekg, chest xray, mammogram for females over 50 or with positive his... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 29-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Yes: Drink plenty of water, at least one ounce per pound of body wt. Also incl plenty of fresh fruits and veggies and fiber from cereals.
Created for people with ongoing healthcare needs but benefits everyone.
5.7k viewsReviewed >2 years ago
A 29-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
FORCEFUL: Vomting is a forceful contraction of the stomach and abdominal wall muscles. It can be painful if repetitive.
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
A 36-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Spread of cancer: Stage 4 neuroblastoma means extensive disease. The disease will be metastatic usually to the bone and lymph nodes. Additional therapy in the form of c... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
A 34-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Hernia of diaphragm: A congenital diaphragmatic hernia is an opening in the diaphragm muscle that allows the abdominal organs to creep into the chest and affect the format... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.6k viewsReviewed >2 years ago
A 42-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Learned: Some feel that it is the way they have learned to cope.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 39-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Yes: A lot depends on the symptoms and the severity of the fracture.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 40-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Depends: How large is large in either centimeters or inches?
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsAnswered >2 years ago
A 46-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
Abdominal defect: Both are abdominal wall defects located at or to the right of the navel. Gastroschisis is when the intestines protrude through a defect in the abdomin... Read More
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
A 39-year-old member asked:
Dr. Troy Reynaanswered
Pediatric Surgery 46 years experience
No: Left or right handedness is not affected by orientation of one's organs.
Created for people with ongoing healthcare needs but benefits everyone.
5.5k viewsReviewed >2 years ago
TestimonialsRecommendations and Thank you notes are endorsements given from patients or other doctors.
Recommendations and Thank you notes are endorsements given from patients or other doctors.
12
Recommendations
1.0K
Thank you notes
Aug 16, 2013
I recommend you as a well know expert in your field.
Dr Jakavick would recommend this Dr To all who seek their expertise.
Oct 18, 2012
I shared patients with Dr. Reyna while he was in Las Vegas. His technical and communication skills are excellent.
Sep 23, 2013
Known Dr Reyna for years and he is an outstanding and caring pediatric surgeon.
HealthTap member
thanks dr. reyna. it just feels so strange...it happens 4-5 times a week...and can feel it literally right under my surgical scar....will keep a look out for he symptoms you mentioned.
HealthTap member
This was very helpful. Thanks! I already suspected brain lateralization wasn't linked to organ orientation in situs inversus, but I liked getting confirmation. Thanks for your time!
HealthTap member
Thank you, your answer was very helpful! I want to be tested for it, as a baby and now as an adult i would like a full body exam to find out if i truely have that disease.
Education & Training
Medical/Graduate school
Georgetown University School of Medicine, DC
Graduated 1977MD
Residency
Walter Reed Army Medical Center
Residency
Tripler Army Medical Center
Awards
Top Doctor, Third Place, Orange County, CA - Winter
2013
Most Influential, Third Place, Orange County, CA - Winter
2013
Thought Leader, Second Place, Orange County, CA - Winter
2013
Publications
Observations of a Pediatric Surgeon in the Persian Gulf War
Emergency Treatment of Epidural Hematoma: Case Report
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