21 results
Aqueous Humor Production and Drainage
 • Provides nutrition, removes wastes, and transports neurotransmitters to the avascular
Production and Drainage ... 10-21 mmHg) AH ... % of flow) -> AH ... passes through ... AqueousHumor #Production #Drainage
Hordeolum vs Chalazion

Hordeolum (Stye):
 • Location: Most commonly found at or near an eyelash follicle
 •
eyelash follicle • Cause ... Treatment: Spontaneous drainage ... upper lid • Cause ... Chalazion #Comparison #Table
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Vomiting / NG drainage ... Low #Potassium #Table ... Classification #Causes
Hilar enlargement
The table summarizes the causes of hilar enlargement.
Normal hili are:
- Normal in position - left
enlargement The table ... summarizes the causes ... Diagnosis #Radiology #CXR
ECMO circuit chatter - rhythmic pulsations in the drainage catheter/tubing leading to the pump
CHATTER occurs when
pulsations in the drainage ... Untreated it can cause ... & exclude PTX (CXR
Assessment of Chest Tube Drains
Stepwise assessment of Chest Tube Function
TUBE POSITIONING
 • Look at the CXR:
• Look at the CXR ... since a prior CXR ... Check the DRAINAGE ... present in the drainage ... : • 14-22 Fr stable
Cardiac Tamponade - Guidelines for Crises in Anaesthesia
Caused by an accumulation of blood, pus, effusion fluid
or iatrogenic causes ... indicated, start CPR ... diagnosis and rapid drainage ... of underlying cause ... small volume may cause
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a CXR the most ... reticular pattern on a CXR ... seen and in many cases ... Radiology #Pulmonary #CXR
Chest Tube Placement Checklist
PREPARATION
 o Consent
 o Position Patient
 o Monitoring
 o Time Out
 o Review
Meds o Review Cxr ... the tube as it passes ... Connect to pleural drainage
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Blood cultures • CXR ... early disease) • CXR ... shows a small, stable ... #differential #causes