Whois & Analysis for theydiffer.com

Rhonchi are coarse rattling respiratory sounds, usually caused by secretions in bronchial airways.

"Rhonchi" is the plural form of the singular word "rhonchus".

Since the mid-1990s, it has no longer been considered appropriate terminology in auscultation of the thorax, as much confusion has been reported in the published literature which confuses this with crepitations and wheezes, so the exact nature of this term is unclear (see Fleischner Society for standardized terminology).

Crackles, crepitations, or rales (or) are the clicking, rattling, or crackling noises that may be made by one or both lungs of a human with a respiratory disease during inhalation.

They are often heard only with a stethoscope ("on auscultation").

Bilateral crackles refers to the presence of crackles in both lungs.

In medicine, an indication is a valid reason to use a certain test, medication, procedure, or surgery.

The opposite of an indication is a contraindication, a reason to withhold a certain medical treatment because it could harm a patient.

The lungs are the primary organs of respiration in humans and many other animals including a few fish and some snails.

In mammals and most other vertebrates, two lungs are located near the backbone on either side of the heart.

Their function in the respiratory system is to extract oxygen from the atmosphere and transfer it into the bloodstream, and to release carbon dioxide from the bloodstream into the atmosphere, in a process of gas exchange.

Respiration is driven by different muscular systems in different species.

Mammals, reptiles and birds use their musculoskeletal systems to support and foster breathing.

In early tetrapods, air was driven into the lungs by the pharyngeal muscles via buccal pumping, a mechanism still seen in amphibians.

In humans, the primary muscle that drives breathing is the diaphragm.

The lungs also provide airflow that makes vocal sounds including human speech possible.

A symptom (from Greek σύμπτωμα, "accident, misfortune, that which befalls", from συμπίπτω, "I befall", from συν- "together, with" and πίπτω, "I fall") is a departure from normal function or feeling which is noticed by a patient, reflecting the presence of an unusual state, or of a disease.

A symptom is subjective, observed by the patient, and cannot be measured directly, whereas a sign is objectively observable by others.

For example, paresthesia is a symptom (only the person experiencing it can directly observe their own tingling feeling), whereas erythema is a sign (anyone can confirm that the skin is redder than usual).

Symptoms and signs are often nonspecific, but often combinations of them are at least suggestive of certain diagnoses, helping to narrow down what may be wrong.

In other cases they are specific even to the point of being pathognomonic.