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A comprehensive set of questions and answers related to airway management and respiratory assessment in emergency medical situations. The questions cover a wide range of topics, including identifying respiratory distress, managing airway obstructions, understanding respiratory physiology, and recognizing various respiratory conditions. The answers provide detailed explanations and guidance on the appropriate assessment and treatment approaches for each scenario. This resource could be valuable for emergency medical personnel, such as emts, paramedics, or nursing students, who need to develop their knowledge and skills in airway management and respiratory care. A variety of patient presentations, age groups, and medical conditions, making it a useful study guide or reference material for preparing for exams, developing clinical decision-making skills, and enhancing overall competence in managing respiratory emergencies.
Typology: Exams
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An 8-year-old female with no respirations after 5 positive pressure ventilations would be classified as 'immediate' during a Mass Casualty Incident (MCI). This patient requires immediate intervention to restore breathing and oxygenation.
You should calmly reassure her, encouraging her to slow her rate of breathing. This patient is experiencing a panic attack, and the appropriate intervention is to help her calm down and regulate her breathing.
You should ventilate the patient 10 to 12 times per minute with a bag-valve mask (BVM).
Oxygenating and ventilating the patient before and after suctioning.
The appropriate oxygen flow rate when ventilating a patient with a BVM is 15 liters per minute.
You should apply a non-rebreather mask at 10 liters per minute. This patient is likely experiencing respiratory distress, and the high-flow oxygen will help improve his oxygenation.
The most likely cause is pneumonia. Asthmatic patients are more susceptible to developing pneumonia, and the symptoms described are consistent with a lower respiratory infection.
You should suspect pneumonia. Older adults are at a higher risk of developing pneumonia, and the worsening symptoms over time are indicative of a lower respiratory infection.
Decreases in size, causing exhalation. Relaxation of the respiratory muscles leads to a decrease in the size of the chest cavity, resulting in the passive process of exhalation.
Evaluate both the respiratory rate and the rise and fall of the chest. Assessing both the rate and the depth of breathing provides a comprehensive evaluation of the patient's respiratory status.
Pediatrics. 'See-saw' breathing, characterized by paradoxical movement of the abdomen and chest, is more commonly observed in pediatric patients.
Mouth, Pharynx, Trachea, Bronchi, Alveoli.
You should administer oxygen at 10 liters per minute via a non-rebreather mask. The low oxygen saturation and the patient's distress indicate the need for high-flow supplemental oxygen.
You should encourage him to cough. Coughing can help dislodge a foreign object or clear the airway in a partial obstruction.
You should assess the insertion depth of the catheter. Gagging indicates the catheter may be too deep and stimulating the gag reflex, which could further compromise the airway.
You should suspect a medical history of chronic bronchitis. The patient's symptoms, posture, and the presence of supplemental oxygen at home suggest a chronic respiratory condition like chronic bronchitis.
You should remove the dentures.
Diffusion. The exchange of gases, including oxygen and carbon dioxide, occurs through the process of diffusion at the alveolar-capillary interface.
You should provide high-flow oxygen with a non-rebreather mask. The patient's symptoms and vital signs suggest respiratory distress, and high- flow oxygen is the appropriate intervention.
Dyspnea. Dyspnea is the medical term used to describe difficulty or discomfort in breathing.
The average adult ventilation is 500 mL, but there is an area of dead space that traps 150 mL of air. Therefore, 350 mL of air effectively reaches the alveoli for oxygen and carbon dioxide exchange.
The patient likely has emphysema. Emphysema is a chronic destructive process of the alveoli, leading to scar tissue that inhibits gas exchange. The patient's pursed-lip breathing is an attempt to keep the alveoli open and improve ventilation.
The most likely cause is a spontaneous pneumothorax. Strenuous activities can, on occasion, cause a collapsed lung (spontaneous pneumothorax). The patient's stable vital signs suggest a spontaneous pneumothorax rather than a tension pneumothorax.
You should use a bag-valve mask to administer oxygen. The patient is unresponsive and breathing too slowly, indicating the need for assisted ventilations, which can be provided effectively with a bag-valve mask.
You should assist his ventilations. The patient is in respiratory failure due to the burns, and positive pressure ventilations will help reduce any pulmonary edema from the lower airway burns.
The bronchi. The trachea splits at the carina into the left and right bronchi, which then continue to branch into smaller bronchioles and ultimately reach the alveoli.
Wheezing. Wheezing is a high-pitched whistling sound heard on exhalation, suggesting a lower airway obstruction or constriction.
Labored. The use of accessory muscles and nasal flaring are signs of respiratory distress or failure, as the body attempts to increase the size of the airway and draw in more air with each breath.
Stridor. Stridor is an upper airway obstruction caused by tissue swelling around the trachea, larynx, or epiglottis, resulting in a high-pitched sound during inspiration.
You should suspect respiratory failure. A respiratory rate of 8 breaths per minute is too slow for adequate gas exchange, and the patient's altered mental status indicates respiratory failure.
You should apply high-flow oxygen. The patient is alert and her respirations are still effective, so the priority is to improve her oxygenation with high- flow oxygen.
When a patient has a completely obstructed airway and becomes unconscious, the first thing you should do is start chest compressions.
You should suspect chronic bronchitis. The patient's history of heavy smoking, persistent cough, and the presence of rhonchi (sounds like snoring) suggest chronic bronchitis.
The most likely cause is pneumonia. The patient's fever, chest pain, and the production of 'rusty' sputum are indicative of a lower respiratory infection, specifically pneumonia.
You should expect a pulmonary embolism. The patient's recent immobilization due to hip surgery increases the risk of a deep vein thrombosis, which can lead to a pulmonary embolism and the sudden onset of unilateral chest pain and shortness of breath.
The first step is to face the bevel towards the septum. Apply a water-soluble lubricant, but do not use an oil-based lubricant.
The trachea. The trachea is the tube-like structure that allows air passage from the upper airway into the lungs.
The pharynx. The pharynx is a shared passage for both air and food, making it a common site for partial or complete airway obstruction.
The larynx. The larynx, also known as the voice box, is the structure that contains the vocal cords.
The nasopharynx. The nasopharynx connects the opening of the nostrils to the soft palate at the back of the mouth, and it is designed to warm and filter the incoming air.
The cricoid cartilage. The cricoid cartilage is the inferior, cartilaginous ring that forms the lower portion of the larynx.
Sellick's Maneuver, also called cricoid pressure, is applied to the cricoid cartilage. This maneuver helps prevent gas from entering the stomach during assisted ventilations.
The diaphragm contracts in a downward motion, drawing air into the lungs.
The pharynx, also known as the throat, is the passageway shared by the digestive and respiratory systems for air and food.
The oropharynx.
The lungs have a total of 5 lobes, with 3 lobes on the right and 2 lobes on the left.
The pharynx is the passageway shared by the digestive tract and the respiratory system for air and food.
Airway Management and Respiratory
Conditions
Foreign Body Obstruction : If a 48.56-year-old female is struggling to breathe with wheezing, the first step is to check the airway for any foreign body obstructions.
Phrenic Nerve : The phrenic nerve primarily controls respiration.
Snoring Respirations : If an unresponsive 16-year-old male has snoring respirations after diving in a pond and nearly drowning, you should perform chest compressions.
Upper Airway Obstruction : Stridor is an indication of an upper airway obstruction.
Lower Airway Obstruction : Wheezing is the sound of a lower airway obstruction.
Apneic Patient with Pulse : If an adult is breathing at a rate of 6 breaths per minute, you should ventilate the patient using a bag-valve mask.
Obstructive Pulmonary Disease : Prescribed inhalers are helpful for patients with an obstructive pulmonary disease because they activate beta-2 receptors.
Apneic Patient without Pulse : If a 50-year-old is not breathing and has a faint pulse, you should use a bag-valve mask to ventilate the patient.
COPD Patient and Inhaler : Before assisting a patient with COPD in self-administering their inhaler, you should shake the inhaler vigorously.
Ventilation Rate for Apneic Patient : You should ventilate an apneic patient with a pulse at a rate of 5-6 breaths per minute.
Mucus Secretions : If a 14-year-old female is short of breath and lung sounds reveal coarse rhonchi, the most likely cause is mucus secretions.
Laryngectomy Patient : If a 64-year-old woman with a complete laryngectomy is in respiratory arrest, you should suction the stoma completely.
Bag-Valve Mask Ventilation : When ventilating a patient with a bag- valve mask device, you should use two rescuers whenever possible.
Wheezing and Dyspnea : If a 28-year-old patient is experiencing dyspnea and wheezing, you should request an albuterol inhaler from medical control.
Sudden Shortness of Breath : If a 20-year-old male complains of sudden onset shortness of breath, with a respiratory rate of 24 and pulse oximetry of 85%, you should administer oxygen via a non- rebreather mask at 15 liters per minute.
Choking : If a 34-year-old male is choking, with stridor and hoarseness in his voice, you should encourage him to cough.
Upper Airway Obstruction : Epiglottitis is a condition that could be considered an upper airway obstruction.
Shortness of Breath : If an 18-year-old male complains of shortness of breath, with a heart rate of 104, respiratory rate of 22, and oxygen saturation of 91%, you should administer oxygen via a non-rebreather mask.
Ventilation Difficulty : A tension pneumothorax is the condition most likely to cause decreased compliance while ventilating a patient via a bag-valve mask.
Pneumonia : If a febrile 2-year-old male is in respiratory distress with crackles in the lower left lung field, you should suspect pneumonia.
Lower Respiratory Tract Problem : Expiratory wheezes and a long expiration are signs of a lower respiratory tract problem.
Tuberculosis : If a 64-year-old male complains of dyspnea and is coughing up blood-tinged sputum, you should suspect tuberculosis.
Congestive Heart Failure vs. Pneumonia : A patient stating they feel like they're "drowning when I sleep" is an indication that the patient is suffering from congestive heart failure rather than pneumonia.
Suctioning : When suctioning blood, fluid, and mucus from the oropharynx, the most appropriate device is a rigid-tip suction catheter.
Pulse Assessment : The reason for assessing the radial and carotid pulses simultaneously is to confirm a cardiac rhythm problem.
Acute Pulmonary Edema : If a patient presents with a sudden onset of shortness of breath, crackles, hypertension, and jugular distension, you should suspect acute pulmonary edema.
Congestive Heart Failure : If a 73-year-old male is dyspneic, with jugular vein distension, dependent edema, and vital signs of BP 158/ and HR 130 with RR 36, you should suspect congestive heart failure.
Choking : If a 19-year-old female began choking after eating a hot dog and was coughing and drooling when you arrived, you should perform abdominal thrusts.
Chronic Bronchitis : If a 65-year-old male is having trouble breathing, is moderately overweight, has been coughing up yellowish phlegm, smokes two packs of cigarettes a day, and has had episodes like this for many years, you should suspect chronic bronchitis.
Pneumothorax : A sudden onset of difficult breathing and diminished breath sounds can be present with a pneumothorax.
Airway Obstruction : If a semi-conscious 34-year-old male begins to gag after the insertion of an oropharyngeal airway, you should insert a nasopharyngeal airway.
Bronchitis : If an 18-year-old febrile patient complains of malaise for several days, is taking an oral antibiotic for an upper respiratory infection, and has vital signs of BP 128/72, HR 118 (weak), and RR 22 with rhonchi, you should suspect bronchitis.
COPD Assessment : A barrel-shaped chest is an assessment finding that should cause you to suspect a history of COPD.
Emphysema : If a thin 75-year-old male complains of difficulty breathing, has smoked 3 packs of cigarettes a day for 30 years, and has bilateral wheezes, you should suspect emphysema.
Asthma Exacerbation : If a 16-year-old asthmatic female is in the tripod position, complaining of increased shortness of breath, and has an oxygen saturation of 79%, you should administer oxygen at 10 liters per minute via a non-rebreather mask.
Oxygen Administration : During a long transport, you should consider using humidified oxygen.
Cyanosis : If a 45-year-old female is complaining of breathing difficulty, has clear lung sounds, but is becoming cyanotic on the lips, you should deliver oxygen via a non-rebreather mask at 15 liters per minute.