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Dr. Klaus d Lessnau

Pulmonary Critical Care
New York, NY
38 years experience male

Locations

Klaus D. Lessnau, MD FCCP

New York, NY

Address

110 East 59th Street Suite 9C, New York, NY
Directions

Office

New York, NY

Klaus D. Lessnau, MD FCCP

NY , NY

Klaus D. Lessnau, MD FCCP Dr. med

New York City, NY

About

Bio

Pentuple board certified and recertified physician, expert in Internal Medicine, Pulmonary Medicine, Interventional Pulmonolgy, Sleep Medicine and Critical Care Medicine. I also completed a fellowship in nephrology. Used to work for TB control in NYC. Which would be my 6th fellowship. And the MPH requirements are very well known to me. I also love interventional pulmonology/bronchology.

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.

Pulmonary Critical Care

Internal Medicine

Interventional Pulmonology

Sleep Medicine

Licenses

United States: New York

Languages spoken

English, German, Italian

Doctor Q&A

1.1K Answers
325 Agrees
The number of answers this doctor has agreed with.
A 38-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Usually no problem: One liter should do the job also. Two liters should not be a problem either. However, it does not affect bronchiectasis. Check with your lung doc abou... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 20-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: No sleep for three weeks? Are you serious? That is almost not compatible with life. Must be terrible. Check with your doc. Ask for thyroid testing and... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Less than 100: Is normal for one day. Nothing to worry. If you have more than 100 daily? Then you want to see your knowledgeable dermatologist for history and phy... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 39-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Good news: You quit and there is no reason for scarring to continue. The left lower lobe abnormality should also disappear. Your smoking was not too bad, compare... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Not to my knowledge: Highly unlikely double check with your doc also.
Created for people with ongoing healthcare needs but benefits everyone.
A 54-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Yes: Low sodium may also have been a problem. Check with your doc.
Created for people with ongoing healthcare needs but benefits everyone.
A 28-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
No problem: That should be no problem provided you have no underlying liver disease.
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Does not matter: It is persistent asthma that is uncontrolled and symptomatic. Nightly awakenings are likely also. More importantly, the dose of anti-inflammatory ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 53-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: Probably atrial fibrillation. You want to have a blood thinner to prevent stroke. Check with your doc asap. Very important.
Created for people with ongoing healthcare needs but benefits everyone.
A 51-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: This may be a serious problem. Have it checked by your doc. Treatment depends on the diagnosis.
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Balance: There is a balance of input and output. Low calorie, low fat diet and plenty of exercise will cause weight loss.
Created for people with ongoing healthcare needs but benefits everyone.
A 36-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: Better be safe. You may need another ultrasound. And visit your regular doc also. He/she may be able to find out.
Created for people with ongoing healthcare needs but benefits everyone.
A 57-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Highly unlikely: Never say never but that would be highly unlikely. Stomach medications such as Famotidine may cause it. Check with your doc to be safe.
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: You want an expert doc for lupus. A rheumatologist should be able to fix it.
Created for people with ongoing healthcare needs but benefits everyone.
A member asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Abnormal: You want to see a liver specialist. There are medications to cure hepatitis b. No need to wait.
Created for people with ongoing healthcare needs but benefits everyone.
A 73-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: I wonder if this is angioedema. May be you have allergies to something, such as food? Maybe Benadryl (diphenhydramine) will help? Breathing prob... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
$$$: There is no need to take vitamin b unless one wants to spend more money on useless stuff. There is no weight change. Best is to eat veg, salad,... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 45-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Classic: This may be vein compression within your pelvic drain region. You want to see a urologist. This is classic for medical school training.
Created for people with ongoing healthcare needs but benefits everyone.
A 31-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Hopefully: not a serious infection. Check with your doc to be sure. You do not want undiscovered infection bother you. Ask about antibiotic.
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Listerine?: Does it help and fix it? See doc for laryngoscopy if no resolution. The doc looks inside and can usually fix it.
Created for people with ongoing healthcare needs but benefits everyone.
A male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: This should be checked by a professional asap.
Created for people with ongoing healthcare needs but benefits everyone.
A 65-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: Usually it makes no difference whatsoever. Whatever food you tolerate. But better check with your doc to be safe.
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: Absolutely crucial to check with your doc about risk factors such as diabetes, high blood pressure, cholesterol, family history and smoking. You ar... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Unlikely: Better check with your doc to avoid complications.
Created for people with ongoing healthcare needs but benefits everyone.
A 26-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: This may be from too much fluid. Most importantly, once you sleep you wake up to urinate? If so see your doc asap, this may be serious, such as hi... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
No way: Whole grain is healthy. Way healthier than junk food! there is no reason to cause osteoporosis. Milk, cheese and joghurt provide lots of calciu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 24-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Yes: Otherwise they would have a warning label. It makes your stomach feel good. I do not see a problem and I have never read that there is a problem. Good... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Next to impossible: If you have any concerns buy a blood pressure device for little money and check once daily. Better to know for sure. And discuss with your doc. Usu... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 21-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Probably nothing: to worry about. But better check with your OB/GYN doc to be safe.
Created for people with ongoing healthcare needs but benefits everyone.
A 51-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
No: No big deal. Do not worry about it. Some patients take atorva every other day without problems. Ldl does not increase in one day anyway. Grapefr... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 37-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Two questions: You want your vitamin D level above 30. Usual dose is cholecalciferol 50,000 units once weekly for about 12 weeks. Back pain and extremity pain are ... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 23-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Check with your doc: Stay in close contact with your doc. This is high complexity medicine. You need very close follow up.
Created for people with ongoing healthcare needs but benefits everyone.
A 34-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
That is strange: Would check with the donation place. That sounds very strange. Ask somebody if you are really yellow green.
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Low oxygen: Low oxygen is especially bad for brain cells and heart cells. There are many causes such as deep water black out and drowning, carbon monoxide intoxic... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Not normal: Check with lung doc. Cardiopulmonary exercise testing may be useful in such as scenario.
Created for people with ongoing healthcare needs but benefits everyone.
A 46-year-old member asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Many possibilities: Viral, bacterial infection, heart disease, water in the chest, irritation of the pleura, and many other ones.
Created for people with ongoing healthcare needs but benefits everyone.
A 55-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Chest lung: Interface chest and lung. It is somewhat dry and painful. The movements should be smooth but are "rubbery" which makes it painful.
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Strange: ask for a second opinion physician. There is nothing wrong with that. In NYC we have up to five different opinions in some patients. Recruit the brain... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
See doc: probably hyperventilation. But better to be safe and see a lung doc. No reason to wait. Good luck and all the best.
Created for people with ongoing healthcare needs but benefits everyone.
A 18-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Time for: Gastroscopy. Sounds like endoscopy is useful to find a reason. Discuss with your GI doc.
Created for people with ongoing healthcare needs but benefits everyone.
A 54-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Unknown reason: check with your doc ASAP. No reason to wait.
Created for people with ongoing healthcare needs but benefits everyone.
A 44-year-old member asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Yoga: may be useful. Check with your lung doc to know for sure.
Created for people with ongoing healthcare needs but benefits everyone.
A 32-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Sounds like: a bacterial infection. Check with your lung doc and ask about the need of antimicrobials. Good luck and all the best.
Created for people with ongoing healthcare needs but benefits everyone.
A 40-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Lucky you: Fortunately! you do not want to bleed out from your period.
Created for people with ongoing healthcare needs but benefits everyone.
A 19-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
No problem?: It is widely used in india. There would be a warning label if there is an issue. Personally, I do not think there is a problem. What are you worried a... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A 27-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Probably nothing: but better to check with your doc to be sure. Most likely he/she will say that this will go away on its own or maybe it should be freezed off.
Created for people with ongoing healthcare needs but benefits everyone.
A 16-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Chest: radiograph is used to check for lung infection. It is a pretty routine examination for somebody with symptoms. In children it can be replaced with ul... Read More
Created for people with ongoing healthcare needs but benefits everyone.
A female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Weird: Your neurologist should check it. You may benefit from ENG. Discuss it and good luck.
Created for people with ongoing healthcare needs but benefits everyone.
A 22-year-old female asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Left: Spleen is left, liver is right. Therefore would be left. Cough? Check with your highly educated lung doc.
Created for people with ongoing healthcare needs but benefits everyone.
A 35-year-old male asked:
Dr. Klaus d Lessnau
Pulmonary Critical Care 38 years experience
Stress testing: is almost the gold standard. Discuss with your cardiologist about the best exercise stress test in your particular situation. CPET? ECHO? thallium? o... 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.

11
Recommendations
1.3K
Thank you notes
Dr. Lessnau is a kind, compassionate and knowledgeable doctor, and I would have no reservations recommending him to friends and family!
Sep 15, 2013
Thanks for your valuable contributionsThanks for your valuable contributions
Aug 4, 2014
A truly wonderful, compassionate and knowledgable doctor.
HealthTap member
Doc mentioned scarring, but here's my test results from the report: FINDINGS: The heart size, pulmonary vasculature are normal. Trace left pleural effusion versus scarring is new. The heart size, p...Read More
HealthTap member
This was very helpful. Thanks! It was before a hyperventilation test, the starting value so to say. During the test it dropped to 15, and later on stayed around 16. I am starting to understand what i...Read More
HealthTap member
I have since had an MRI and x-ray. Neither revealed anything as a source of pain. One doctor offered to open me up to see what was up. Going to go with rest and glucosamine as a first route. Thank you...Read More

Education & Training

Medical/Graduate school

Friedrich-Alexander University of Erlangen-Nurnberg, Germany
Graduated 1985MD

Residency

LENOX HILL HOSPITAL
Completed 1985

Awards

best teaching physician
2012 New York Times Magazine- Super Doctors
best doctor castle connolly
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