Pediatrics: Bronchiolitis vs. Croup

While the first is a disease of bronchioles and lower airway with resulting wheezing and crakles, the second one is inflammation of the larynx, causing stridor and braking cough. Both are caused mainly by a viral infection and both may present at the ED with rhinorrea, coughing, fever and signs of increased work of breathing….

Myelitis vs. Guillain Barré vs. MS

Let’s take a very quick review of these demyelinating diseases. Patient comes to the ED because of limb weakness and sensory alterations. If there’s a clearly defined level with no cranial nerve and no brainstem symptoms, we may be in front of transverse myelitis. If there is in fact oculomotor weakness with dyplopia or weakness…

Acute calculous cholecystitis / Colecistitis aguda calculosa.

Acute cholecystitis (inflammation of the gallbladder) results from injury from a gallstone, like impactation or cystic duct obstruction. Sometimes inflammation occurs without gallstone disease due to infection of bile (acalculous cholecystitis). The main difference between a patient who complains from abdominal pain and suffers from uncomplicated gallstone disease and acute cholecystitis is the evidence of…

Cardiac tamponade / Taponamiento cardiaco.

A major complication of trauma and pericarditis, and a feared cause of hypotension and obstructive shock, cardiac tamponade occurs when there’s fluid in the pericardial space. This may be from effusion (pericarditis, serositis) or blood, such as in thoracic trauma. As the heart is “imprisoned” within its own pericardium, diastole is restricted, and ultimately systole…