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Respiratory Therapy Midland College

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Term
Definition
Diagnosis   The process of identifying the nature and cause of illness.  
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Differential Diagnosis   Signs and symptoms are shared by many diseases and the exact cause is unclear.  
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Signs   Observable effects of an illness.  
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Symptoms   Effects of illness which are only experienced by the patient. (Ex: Breathlessness)  
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Dyspnea   Discomfort in breathing  
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Breathlessness   Uncomfortable urge to breathe; patient cannot catch breath  
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Orthopnea   Dyspnea is triggered when patient is in the reclining position.  
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Platypnea   Dyspnea is triggered when the patient is upright.  
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Orthodeoxia   Oxygen saturation drops when patient is in the upright position.  
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Trepopnea   Dyspnea is relieved when the patient lies on one side.  
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Cough   A forceful maneuver which expels mucus and foreign materials from the airway.  
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Chronic Cough   A cough lasting 8 weeks or longer.  
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Phlegm (flem)   Mucus from tracheobronchial tree which is uncontaminated by oral secretions.  
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Sputum   Mucus from lungs which is coughed up through the mouth.  
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Purluent Sputum   Sputum containing pus  
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Fetid Sputum   Foul-smelling sputum  
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Mucoid Sputum   Sputum which is thick and clear  
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Hemoptysis   Coughing up blood or blood-streaked sputum.  
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Hematemesis   Vomiting Blood from the Gastrointestinal Tract  
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Angina   Coronary artery occlusion which causes pain (nonpleuritic) in the center of the chest.  
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Fever   Body temperature greater than 38.3 degrees celsius.  
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Pedal Edema   Swelling of lower extremeties  
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Pack-Years   Number of packs per day multiplied by the number of years smoked.  
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Advance Directive   The instructions, decided by the patient, on whether or not to resuscitate them.  
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Cachexia   Weakness and unnatural thinness.  
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Diaphoresis   Sweating  
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Tripodding   A position which gives accessory muscles more power to assist in breathing.  
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Sensorium   The patients level of consciousness.  
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Febrile   Description of a patient with a fever.  
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Hypothermia   A body temperature which is lower than normal.  
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Tachycardia   A heart rate greater than 100 bpm.  
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Bradycardia   A heart rate lower than 60 bpm.  
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Pulsus Paradoxus   A decrease of >10 torr in blood pressure during a sudden inspiration.  
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Pulsus Alternans   An alternating succession of strong and weak pulse beats.  
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Tachypnea   A respiratory rate greater than 20 breaths/minute.  
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Bradypnea   A respiratory rate less than 10 breaths/minute.  
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Systolic Pressure   Peak force exerted in arteries when the left ventricle contracts.90-140 torr is considered healthy.  
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Diastolic Pressure   Pressure remaining in arteries after the ventricles have relaxed. 60-90 torr is healthy.  
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Pulse Pressure   Difference between systolic and diastolic blood pressures. 30-40 torr.  
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Hypertension   A blood pressure consistently greater than 140/90  
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Hypotension   Systolic blood pressure less than 90 or mean arterial pressure less than 65  
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Shock   Inadequate delivery of oxygen to vital organs  
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Hypovolemia   Low blood volume  
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Postural Hypotension   Sudden hypotension in hypovolemic patients when sitting or standing.  
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Syncope   Fainting  
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Kussmaul Sign   The jugular venous pressure increases during inhalation  
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Jugular Venous Distension   The jugular vein is enlarged and visible 4cm above the sternal angle.  
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Lymphadenopathy   Enlarged lymph nodes  
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Barrel Chest   Abnormal enlargement of the anterior-posterior diameter of the thoracic cavity.  
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Retractions   Inward sinking of chest wall during inspiration.  
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Tracheal Tugging   Downward movement of thyroid cartilage during inspiration  
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Kussmaul Breathing   Fast, deep, rapid breathing pattern.  
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Hoover Sign   Contraction of lower ribs on inspiration in COPD patients.  
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Respiratory Alternans   Breathing effort alternates between diaphragm and accessory muscles.  
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Abdominal Paradox   Fatigued diaphragm moving in accordance to thoracic pressures.  
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Subcutaneous Emphysema   Air collection in cutaneous tissue from ruptured lung.  
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Pneumothorax   Air collection within the pleural space.  
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Adventitious Lung Sounds   Noise produced by air movement through abnormal airways.  
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Stridor   Loud, high-pitched sound heard on inspiration  
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Bronchophony   Lung sound where vocal noises are more resonant and pronounced  
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Gallop Rhythm   A heart rhythm which includes S3 and S4  
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Heart Murmur   Heart sound caused by backflow through valve, flow through stenotic valve, faster than normal flow through healthy valve.  
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Abdominal Compartment Syndrome   Intraabdominal pressures are greater than 20mmHg  
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Hepatomegaly   An enlarged liver.  
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Clubbing   Enlargement of the tips of fingers and toes.  
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Peripheral Cyanosis   Cyanosis of the digits  
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Central Cyanosis   Cyanosis on the trunk  
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