Breathing patterns are referred to as the respiratory rate and are the frequency of breaths over a period of time. It mainly consists of tidal volume and respiratory rate in an individual. The average breathing pattern in a normal individual is 12 breaths per minute and 500mL per breath. Eupnea is known as the normal breathing at rest and there are different types of altered breathing patterns that are symptoms of many diseases.

Contents

  • 1 Kussmaul Respiration Vs Cheyne Stokes- Symptoms, Causes, And Diagnosis
    • 1.1 What is Kussmaul breathing?
    • 1.2 Symptoms of Kussmaul breathing
    • 1.3 Causes of Kussmaul breathing
    • 1.4 Diagnosis and treatment of Kussmaul breathing
    • 1.5 What is Cheyne stoke?
    • 1.6 Symptoms of Cheyne Stokes
    • 1.7 Causes of Cheyne Stokes
    • 1.8 Diagnosis and treatment of Cheyne Stokes respiration
    • 1.9 Difference between Kussmaul respirations and Cheyne Stokes

Kussmaul Respiration Vs Cheyne Stokes- Symptoms, Causes, And Diagnosis

Kussmaul breathing is a deep and rapid breathing pattern and is an indication that the body organs have become too acidic. It causes when the body attempts to expel carbon dioxide, which is an acidic compound in blood, the body starts to breathe faster and deeper. Cheyne stoke is a periodic form of breathing characterized by a crescendo-decrescendo pattern of respiration between central apneas or central hypopneas. Kussmaul Respiration

What is Kussmaul breathing?

Kussmaul breathing is an abnormal breathing pattern often caused by diabetic ketoacidosis, kidney or liver failure, or due to some cancers. This deep, labored breathing pattern indicates that the body or any organs have become too acidic. To maintain an average temperature and neutral blood acidity, the body is constantly doing work and the kidneys and cells rely on bases or buffers, chemical compounds that bind with hydrogen ions. Disturbances to these compounds and overall metabolic processes cause Kussmaul breathing.

The main causes of this breathing pattern are the production of too much acid in the body, the kidneys or lungs are failing, or blood acid levels increase. When your bloodstream becomes too acidic, the process known as acidosis occurs and the body in turn takes action to imbalance this. The lungs will expel the acidic carbon dioxide than normal during deeper and longer breaths. This was first found by the German Physician Adolph Kussmaul in 1874 and named it as Kussmaul breathing. This was very common among people having diabetes.

If you have diabetes, your body doesn’t use sugar for energy the way it should. Instead, it burns stored fat for producing energy. This raises the level of acid in your blood and your body tries to get things back into balance by getting rid of more carbon dioxide, so you breathe in faster and breathe out more deeply. This also causes fruity-smelling breath.

Symptoms of Kussmaul breathing

The most common symptoms of Kussmaul breathing are panicked breathing, which appears to be gasping for breath, deep and powerful breath, evident and loud inhalation, and exhalation. A hissing sound is generated by hyperventilation through opposed teeth, often, the patient will not complain of breathlessness as the condition is associated with metabolic acidosis of nonpulmonary etiology. The common symptoms of metabolic acidosis are:

  • Nausea
  • Loss of appetite
  • Heartbeat increases
  • Sweet-smelling breath
  • Urination increases
  • Jaundice
  • Drowsiness
  • Headache

Causes of Kussmaul breathing

  • Diabetic Ketoacidosis

The main cause of Kussmaul breathing is diabetes, especially type 1 diabetes. The respiratory system allows the body to take in oxygen and expel carbon dioxide and this process is known as gaseous exchange. But the complications of diabetes affect the functioning of the respiratory system. The process of breathing is initiated by the contraction of the diaphragm, a muscle that separates the chest cavity from the abdomen.

When this diaphragm contracts, more space is made available in the chest cavity and this has the effect of creating suction as the lungs expand to fill the space. Diabetes adversely affects this smooth processing in different ways. Kussmaul breathing is a common symptom of diabetic ketoacidosis. It is a complication of diabetes caused by very high blood glucose levels accompanied by a high level of ketones in the blood. If people with diabetes haven’t taken sufficient insulin ketoacidosis will affect them adversely. This will become a very dangerous condition and should be treated as an emergency. A blood glucose meter is a portable machine that is used to measure the glucose level in the blood. Even though there is a wide variety of glucometers on the market, the best blood glucose meter is the one that measures the blood sugar level accurately. The best blood sugar monitor will suit your medical needs, monthly budget, and personal preferences.

  • Kidney failure

Kidney disease is one of the common complications of diabetes and this may cause Kussmaul breathing. Shortness of breath while climbing the stairs can be a result of kidney failure. This can lead to anemia which leaves the blood short of red blood cells with which to carry oxygen. If anyone has anemia, they need to be more active and this can lead to the body struggling to get enough oxygen for the muscles and can leave the patient out of breath.

  • Sleep apnea

Obstructive sleep apnea results in difficulty breathing whilst sleeping. It occurs if the muscles in the throat collapse inwards and block your airway and this may happen partially or completely and can, therefore, disturb sleep. The main risk factors of obstructive sleep apnea are overweight or obesity and diabetes.   

Sleep Apnea

Drug-induced acidosis

Consuming acidic substances or toxins may overload the body’s ability to maintain a neutral pH. The acidic substances that cause this condition are:

  • Alcohols
  • Poisons
  • Aspirin
  • Diuretic medications
  • Antifreeze

Diagnosis and treatment of Kussmaul breathing

The tests to diagnose Kussmaul breathing and metabolic acidosis are:

  • Arterial blood gas tests
  • General metabolism blood panel tests
  • Urine tests
  • Blood sugar tests
  • Electrolyte tests 

In initial stages, it is treated with electrolyte-enhanced fluids, either intravenously or orally. Although it appears to be a respiratory problem, helping the person to breathe or preventing them from breathing heavily will not help the situation.

What is Cheyne stoke?

Cheyne stoke is a breathing disorder characterized by cyclical episodes of apnea and hyperventilation. It was described by John Cheyne and William Stokes in the 19th century. It is believed to be a cause of heart failure and stroke. Cheyne stoke is also known as periodic respiration and is an abnormal pattern of breathing. It becomes increasingly deeper followed by periods where respiration becomes gradually shallower.

It is followed by a period of apnea where breathing temporarily stops. The cycle then repeats itself. Cheyne-Stokes respiration causes sleep apnea, though not of the obstructive sleep apnea (OSA) type, which represents most cases of sleep apnea in the United States. Instead, Cheyne stoke is connected with central sleep apnea. This is caused by certain neurological conditions and the presence of other health conditions, whereas OSA is caused by physical blockage to a person’s breathing airways during sleep, which, if it’s severe enough, can be resolved with CPAP therapy.

Cheyne Stokes breathing can happen while you’re awake but is more common during non-rapid eye movement (NREM) sleep than rapid eye movement (REM) sleep. It can be differentiated from other central sleep apneas like idiopathic central sleep apnea wherein there is no waxing and the waning pattern of ventilation. In Cheyne stroke patients, the ventilation length is more than 40 seconds compared to less than 40 seconds in central sleep apnea. 

Symptoms of Cheyne Stokes

The common symptoms are:

  • Orthopnea
  • Paroxysmal nocturnal dyspnea
  • Excessive daytime sleepiness
  • Fatigue 

Coughing and noisy breathing accompany these symptoms as the body fluids accumulate in the throat. This is often distressing but does not indicate pain or suffering.   

Causes of Cheyne Stokes

  • Brain tumors
  • Heart failure
  • Stroke
  • Brain injuries
  • High altitude sickness
  • Encephalitis
  • Intracranial pressure
  • Chronic Pulmonary edema

People will often experience Cheyne Stokes breathing during the time of death. This is a natural attempt of the body to compensate for changing carbon dioxide levels. While it may be distressing to those who witness it, there’s no evidence Cheyne Stokes is stressful and painful for the person experiencing it. 

Diagnosis and treatment of Cheyne Stokes respiration

Cheyne Stoke is usually observed in patients with congestive heart failure, usually during stages 1 and 2 non-REM sleep when ventilation is under chemical-metabolic control. Normally, they show symptoms like orthopnoea, paroxysmal nocturnal dyspnoea, excessive daytime sleepiness, and witnessed apnoeas in the setting of congestive heart failure. There are five groups of treatments. They are:

  • Intensive heart failure treatment
  • Respiratory stimulants
  • Respiratory depressants
  • Supplemental oxygen
  • Continuous positive airway pressure

Difference between Kussmaul respirations and Cheyne Stokes

Kussmaul respiration is hyperpnea that indicates the body is trying to compensate for severe metabolic acidosis. This is deep or rapid respiration that may occur after strenuous exercises. Diabetic patients who are in ketoacidosis also show this type of respiration and they have high tidal volume and there is no stopping between inhaling and exhaling. Instead, Cheyne Stoke is a cyclic type of breathing in response to carbon dioxide build-up in the body. This type of breathing pattern ends up in a short period of apnea that can last from 15 to 60 seconds and the cycle repeats itself. This slows the blood flow to the brain stem because it slows impulses sending information to the respiratory center of the brain stem. Cheyne Stokes may occur due to an injury on the brain above the brainstem.      

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