The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1....

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The idiot’s guide to abdominal CT’s Tatiana Lowe (MBChB, FACEM)

Transcript of The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1....

Page 1: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

The idiot’s guide to abdominal CT’s

Tatiana Lowe (MBChB, FACEM)

Page 2: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

The magic three(most helpful guides)

Clinical suspicionVery BASIC anatomyColour

Page 3: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Different windowing

Page 4: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 5: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Lap belt injury

Page 6: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Colour is your friend

Page 7: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Blood is:

1. Denser than bone2. Less dense than water3. Denser than water4. Less dense than fat

(Answer = 3)

Page 8: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Hounsefield Unit (HU) = density

Bone > 1000 White Blood 40 – 120 ↓ Water 0 ↓ Fat - 100 ↓ Air - 1000 Black

Page 9: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 10: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 11: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 12: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 13: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 14: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

The “Bleeaargh” sign

Patent pending…

Page 15: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

What is the annual risk of rupture for a AAA > 5.5cm?

1. 2%2. 6%3. 16%4. 40%

(Answer = 3)

Page 16: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 17: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 18: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Gallstones most frequently impact in the:

1. Terminal ileum2. Proximal ileum3. Jejunum4. Duodenum

Answer = 1

Page 19: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 20: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

The chances of a 6mm calculus passing are:

1. 5%2. 15%3. 80%4. 90%

Answer = 2

Page 21: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 22: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

The Tennis Ball Sign

Page 23: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 24: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 25: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 26: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 27: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 28: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Pancreatic pseudocysts typically appear:

1. During an episode of pancreatitis2. At the end of an episode of pancreatitis3. Several weeks after an episode of

pancreatitis4. Independent of episodes of pancreatitis

(Answer = 3)

Page 29: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 30: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 31: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 32: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 33: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 34: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 35: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Haemorrhagic pancreatitis has a mortality rate of:

1. 2%2. 5%3. 10%4. 30%

(Answer = 4)

Page 36: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 37: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 38: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)
Page 39: The idiot’s guide to abdominal CT’s - EmergencyPedia · PDF fileBlood is: 1. Denser than bone 2. Less dense than water 3. Denser than water 4. Less dense than fat (Answer = 3)

Oceans & Coastlinescsmart/Observing/15. Oceans and coastal processes.pdf• Cold water is more dense than warm water, but ice (frozen solid water) is less dense than liquid water.

Oceans & Coastlinescsmart/Observing/15. Oceans and coastal processes.pdf• Cold water is more dense than warm water, but ice (frozen solid water) is less dense than liquid water.

Twentieth-century shifts in forest structure in California: Denser forests…€¦ ·  · 2015-01-30Twentieth-century shifts in forest structure in California: Denser forests, smaller

Twentieth-century shifts in forest structure in California: Denser forests…€¦ ·  · 2015-01-30Twentieth-century shifts in forest structure in California: Denser forests, smaller

Mahurangi Matters, Getting Denser, Part 3

Mahurangi Matters, Getting Denser, Part 3

Chapter One Wind and Sand · 2020. 1. 24. · wind and sand 9 Mars; to dense atmospheres at very low temperatures, as near the Poles on Earth, or on Venus; or to any denser fluid,

Chapter One Wind and Sand · 2020. 1. 24. · wind and sand 9 Mars; to dense atmospheres at very low temperatures, as near the Poles on Earth, or on Venus; or to any denser fluid,

Day 42 Investigation 8 part 2 What Causes Wind. Convection Chamber Review Conclusion Warm, less-dense air rose; Cooler, denser air sank Creates a convection.

Day 42 Investigation 8 part 2 What Causes Wind. Convection Chamber Review Conclusion Warm, less-dense air rose; Cooler, denser air sank Creates a convection.

The Oxygen Cycle. Definition of Oxygen Oxygen – a colorless, odorless, tasteless gas Denser than air Poor conductor of heat and electricity.

The Oxygen Cycle. Definition of Oxygen Oxygen – a colorless, odorless, tasteless gas Denser than air Poor conductor of heat and electricity.

1.1 Earth has several Layers. Denser material sinks Less dense material rises to the top.

1.1 Earth has several Layers. Denser material sinks Less dense material rises to the top.

Open Cell (Upholstery) Foam Thicker, less dense than craft foam Thicker, less dense than craft foam Soft, compressable Soft, compressable Cut using scissors,

Open Cell (Upholstery) Foam Thicker, less dense than craft foam Thicker, less dense than craft foam Soft, compressable Soft, compressable Cut using scissors,

EARTH’S HISTORY VOCABULARY - Charles Burrows · Less-dense minerals became concentrated near Earth’s surface by flowing from the hot interior. 5. Denser minerals concentrated

EARTH’S HISTORY VOCABULARY - Charles Burrows · Less-dense minerals became concentrated near Earth’s surface by flowing from the hot interior. 5. Denser minerals concentrated

Pressure, Wind and Weather Systems Air heated by contact with ground expands; becomes less dense and rises Sun heats up ground LOW PRESSURE Denser air.

Pressure, Wind and Weather Systems Air heated by contact with ground expands; becomes less dense and rises Sun heats up ground LOW PRESSURE Denser air.

Hearing, touch, taste, etc.. water is 83x denser than air sound travels 4.5x faster in water - not rapidly attenuated; difficult to localize low frequencies.

Hearing, touch, taste, etc.. water is 83x denser than air sound travels 4.5x faster in water - not rapidly attenuated; difficult to localize low frequencies.

How are Clouds Born?. What type of air is the least dense? Warm air is less dense than cold air. Moist air is less dense than dry air. The least.

How are Clouds Born?. What type of air is the least dense? Warm air is less dense than cold air. Moist air is less dense than dry air. The least.

primarysite-prod-sorted.s3.amazonaws.com  · Web viewSalt water is denser than ordinary tap water, the denser the liquid the easier it is for an object to float in it. When you lower

primarysite-prod-sorted.s3.amazonaws.com  · Web viewSalt water is denser than ordinary tap water, the denser the liquid the easier it is for an object to float in it. When you lower

Denser Egyptian fractions

Denser Egyptian fractions

Edinburgh Research Explorer - University of Edinburgh · differs from that of a continuous phase, the dispersed phase material will shrink or expand if it is denser or less dense

Edinburgh Research Explorer - University of Edinburgh · differs from that of a continuous phase, the dispersed phase material will shrink or expand if it is denser or less dense

Denser than the Densest Subgraph: Extracting Optimal Quasi-Cliques with Quality Guarantees

Denser than the Densest Subgraph: Extracting Optimal Quasi-Cliques with Quality Guarantees

DNAPLs Drew Lonigro. Dense Nonaqueous-Phase Liquids Densities greater than water or specific gravity greater than 1. Typically chlorinated hydrocarbons,

DNAPLs Drew Lonigro. Dense Nonaqueous-Phase Liquids Densities greater than water or specific gravity greater than 1. Typically chlorinated hydrocarbons,

COPYRIGHTontinental drift.cloud1.activelearner.com/contentcloud/portals/... · oceanic and continental plates. The oceanic crust is denser than the continental crust and together

COPYRIGHTontinental drift.cloud1.activelearner.com/contentcloud/portals/... · oceanic and continental plates. The oceanic crust is denser than the continental crust and together

WATER. PHASES OF WATER ICE IS LESS DENSE THAN LIQUID WATER: NORMALLY WHEN WE THINK OF A SOLID SUBSTANCE, IT IS MORE DENSE THAN THE LIQUID FORM BECAUSE.

WATER. PHASES OF WATER ICE IS LESS DENSE THAN LIQUID WATER: NORMALLY WHEN WE THINK OF A SOLID SUBSTANCE, IT IS MORE DENSE THAN THE LIQUID FORM BECAUSE.

Martian Genetics: An Electrophoresis Exploration · Samples are prepared for electrophoresis by mixing them with glycerol or sucrose, which makes them denser than the electrophoresis

Martian Genetics: An Electrophoresis Exploration · Samples are prepared for electrophoresis by mixing them with glycerol or sucrose, which makes them denser than the electrophoresis