You are examining a 70-year-old male patient who is being ev…
You are examining a 70-year-old male patient who is being evaluated for an episode of syncope. Auscultation of his heart reveals a mid-systolic ejection murmur, medium pitch, crescendo-decrescendo, heard best at the second right intercostal border with the diaphragm of the stethoscope. The sound of this murmur radiates to his neck. Which heart murmur is present?
Read DetailsAn electrocardiogram (ECG) is a graphic recording of electri…
An electrocardiogram (ECG) is a graphic recording of electrical activity during the cardiac cycle. Electrical activity recorded by the electrocardiogram (ECG) tracing that denotes the spread of the stimulus through the ventricle is the:
Read DetailsA patient’s health history is a key factor in timely and acc…
A patient’s health history is a key factor in timely and accurate diagnosis of acute illness and leads to improved outcomes. The health history if vital to guiding the physical exam and to interpret physical exam findings. What is a health history?
Read DetailsThe middle ear mucosa produces a small amount of mucus that…
The middle ear mucosa produces a small amount of mucus that is rapidly cleared by ciliary action of the _______. This structure is cartilaginous, fibrous, and a bony passageway between the nasopharynx and the middle ear. Muscles briefly open this passage during swallowing, yawning, or sneezing to clear the middle ear secretions and to equalize the middle ear pressure with atmospheric pressure. What is the name of this structure?
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