Exam 2 Flashcards
What takes blood out of liver and to the IVC?
Hepatic veins
T/F?
Transducer pressure can rupture an aneurysm.
True
Normal IVC measurement is
2.5 cm or 25mm
Aorta wall layers, inner to outer:
Tunica intima
Tunica media
Tunica adventitia
Define hepatopedal
Define hepatofugal
Normal; blood flow to to the liver
—pulse wave will be above the line
— this is what u want for PV
— color Doppler will appear red
Abnormal; blood flow away/out of liver
— pulse wave will be below the line
—color Doppler will appear blue
The celiac trunk branches into___
Hepatic artery (travels laterally to ao to enter the liver)
Splenic artery (tortuous and travels lateral to AO to the spleen)
Left gastric artery (not visible on US)
Normal IVC variants
Double ivc
Swapped locations
Absence of portions (rare)
Where is posterior cul de sac located?
Btw wall of uterus and rectum
Recto-uterine pouch
“Pouch of Douglas”
most common area for fluid to build up
Name some examples of aortic pathology
Stenosis
Grafts
Aortic dissection
Aneurysm
Which renal vein is longer than the other and why?
Left renal vein is longer than the right bc it has to cross over the aorta and the right renal vein does not
Normal IVC size
2.5 cm (25mm)
Increases and decreases with breathing and pressure but should not exceed 3.7 cm (37 mm)
What are the main functions of the aorta?
1) oxygenation
2) metabolism
3) maintaining blood pressure
Ivc branches/ tributaries:
Hepatic veins (left, middle, right)
Renal veins
Gonadal veins
Lumbar veins
responsible for melatonin (sleep cycle)
Pineal
Describe an artery
- Has a thicker tunica media (to withstand the pressure of the blood pumping)
- not compressible like veins are
- higher pressure
- takes oxygenated blood away from heart to organs
Gland responsible for calcium levels
Parathyroid
Which branch of the Peripheral Nervous System (PNS) is responsible for maintaining body’s energy?
Parasympathetic
Procedure used to drain fluid from peritoneal cavity
Paracentesis
3 membranes that line the skull and enclose the brain and spinal cord
Meninges
Which organs have a horizontal oblique orientation?
Liver, pancreas
What is a pulmonary embolism?
A blood clot that breaks off and travels through heart and to lungs
*** this is deadly
Normal Aortic measurements are: Prox: Distal: Iliacs: But should never exceed:
Prox 2cm
Distal 1.5cm
CIA 1cm
Shouldn’t exceed: 3cm
Where is the most common location to find an aneurysm?
Intrarenal
The urinary system is responsible for what 3 things?
Regulates blood volume
Regulates blood pressure
Production of RBCs
What is also known as omental bursa?
Lesser sac
Right portal being branches are:
Left portal vein branches are:
Right PV= anterior and posterior
Left PV= medial and lateral
Where does the aorta originate?
Left ventricle of heart
The ductus venous by passes what organ of the fetus?
Liver
Intraperitoneal organs
GLOSS
Gallbladder Liver Ovaries Spleen Stomach
Normal portal vein measurement is
13mm or 1.3 cm
Portal veins bring ____ blood ___ the liver, and hepatic arteries bring ____ blood ____ the liver.
Nutrient rich
To
Oxygen rich
To
Name the 4 sections of the ivc
Hepatic
Prerenal
Renal
Postrenal
Where is anterior cul de sac located?
Btw wall of bladder and uterus
Also called vesico-uterine pouch
The pulmonary artery takes ____ blood (to/away) the lungs and the pulmonary vein takes ___ blood ____ from the lungs.
Deoxygenated
To
Oxygenated
Away
Another name for hilum of liver is:
Porta hepitis
Where does the aorta originate?
Left ventricle
IVC associated tests:
Duplex Doppler Color Doppler Venography MRI CT
Which system is first to function during fetal development?
Cardiovascular
The anterior pituitary ____
While the posterior pituitary _____
Ant- releases hormones
Post- stores the hormones
The internal common iliac is also known as ___.
Hypogastric artery
Parts of the uterus from superior to inferior:
Fundus
Body
Cervix
Other names of posterior cul de sac:
Recto-uterine pouch
Pouch of Douglas
Name some IVC pathology
Blood clot, tumor invasion
Function of endocrine system
Maintains homeostasis by regulating body function including reproduction, growth and development, metabolism, blood glucose levels, stress response, ovulation
Normal aortic diameter
Prox:
Distal:
Iliacs:
Prox: 2cm (20mm)
Distal: 1.5cm (15mm)
Iliacs: 1cm (10mm)
____ produces bile, which is sent to ___ to be stored through the ___.
Liver
GB
Biliary system
During systole, valves are ___.
During diastole, valves are ___.
Open
Closed
What is homeostasis?
The maintenance of stability through the body’s self-regulating systems
IVC originates at
The junction of left and right iliac veins
Courses superiorly to right atrium
What percent of blood going into the liver is brought by the portal venous system?
65-75% (nutrient rich)
And about 25% (oxygenated blood) from hepatic artery
The greater sac is also known as ___
General cavity
First functioning system in embryonic development
Cardiovascular system
-heart and aorta form at the same time
What are the 3 layers of the aorta in order from deep to superficial
Deep to superficial
1) tunica intima
2) tunica media
3) tunica adventitia
What 2 muscles are located in the false pelvis?
Quadratus lumborum
Psoas major
Celiac artery branches:
Common hepatic artery
Splenic artery
Lt gastric artery
Endocrine system is also called
Neuroendocrine system
The Fallopian tubes lie in the superior part of the ____.
Broad ligament
Kidneys, common bile duct, portal vein, smv, and common iliac arteries all have a ____ orientation.
Vertical oblique
The body’s computer
Nervous System
-uses electrical signals to protect body from harm
“Master gland”
Pituitary gland
Gland responsible for protection against autoimmune (t cells)
Thymus
A transverse kidney, anterior to posterior, the vessels seen at hilum:
Vein
Artery
Ureter
The IVC returns deoxygenated blood to the ____ of the heart.
Right atrium
The anterior muscle layer includes ____ tissue and ___ muscle.
Subcutaneous
Rectus abdomina
Nervous system is divided into:
Central: brain and spinal cord
Peripheral nervous system: connects the CNS with the limbs and organs of body
List the intraperitoneal organs
GB, liver, ovaries, spleen, stomach
GLOSS
Describe veins
- have valves in center to prevent back flow of blood
- are compressible
- lower pressure
- brings blood away from organs back to the heart to become oxygenated
reads which hormones are needed in body
Hypothalamus
What is Morison’s pouch and what is it known for?
Located btw right kidney and liver
A common area for fluid to build up - ascites
Retroperitoneal organs
PUCKER
Pancreas Ureters Colon (ascending and descending only) Kidneys Esophagus Rectum
4 types of aortic aneurysms
Sacular
Fusiform
Ruptured
Pseudo
What is the double fold of peritoneum that attaches intestines to posterior abdominal wall?
Mesentary
Peripheral nervous system is divided into:
Somatic- all conscious awareness of our externally environment (voluntary) and all movement (thru skeletal muscle)
Ex) touching hot stove
Autonomic nervous system- involuntary functions
Ex) digestion
responsible for estrogen, testosterone, and progesterone
Ovaries/testes
The spleen, bone marrow, and thymus are part of the _____ system.
Lymphatic
Lumen is
Where blood flow occurs within the aorta
True or false
The right real artery is longer than the left renal artery.
True
Bc the right renal artery travels posterior to ivc and then meets with the rt kidney whereas the left renal artery has a direct route to the lt kidney.
Procedure for pleural effusion
Thoracentesis
Which renal artery is longer and runs posterior to ivc?
Right
The stomach is ___ to the pancreas.
Anterior
Which veins increase in diameter as they approach the IVC?
Hepatic
A collection of glands that secrete hormones (chemical messengers)
Endocrine system
T/F?
Visceral peritoneum is the outer layer attached to abdominal wall.
False
Parietal is the outermost layer
What is responsible for directing the secretion of hormones?
Hypothalamus
The prostate gland is perforated by the ___ & ___.
Urethra
Ejaculatory duct
3 protective layers of CNS (meninges)
Pia mater- innermost
Arachnoid- middle layer
Dura mater- outer layer
Gland responsible for adrenaline
Adrenal gland
responsible for insulin, digestive enzymes
Pancreas
Name all of the branches on the aorta and their location
Prox aorta
-Celiac trunk (anterior)
Mid Ao-
Sma (anterior)
Renal arteries (lateral)
Gonadal arteries (oblique lateral)
Inferior mesentaric artery
Inferior phrenic
Suprarenal arteries
Autonomic nervous system is divided into:
Sympathetic division: responds to stress or danger
—(increased heart rate, breathing, blood pressure)
Parasympathetic division: maintains and restores body’s energy
—(reduces output of adrenaline, decreases heart rate and breathing rates, lower blood pressure)
Portal venous system brings blood from the ___, ___, and ____ to the ____.
Spleen
GB
GI tract
Liver
Ureters
Renal veins
Renal arteries
Name them in order from anterior to posterior
Renal veins
Renal arteries
Ureters
The pancreas extends from the ____ of the spleen.
Hilum
A normal CBD measurement is ___
6 mm or 0.6cm
Portal veins have more ____ in the walls, which is why they appear more hyperechoic.
Collagen
Gland responsible for metabolism
Thyroid
The second branch of the anterior abdominal aorta is
SMA
What are gonadal arteries
Ovarian arteries
Testicular arteries
Left common iliac arteries bifurcate into
Left internal (hypogastric) Left external iliac arteries
Stretching of the aorta
Aortic aneurism
Plaque forming within lumen of aorta (can cause blood clots)
-can be catastrophic
Atherosclerosis
Separation of layers of tunica media and tunica intima, very likely to lead to aortic rupture
Aortic dissection
Diseases of the aorta tend to be
Asymptomatic until they are catastrophic
LVOT stand for
Left ventricular output tract
Thoracic and abdominal cavities are separated by
Diaphragm
Place in the diaphragm where aorta passes
Aortic hiatus
- interior to that is the abdominal aorta
- aorta passes posteriorly to diaphragm
Hypogastric artery sends blood to
Pelvic area
Gonadal arteries branch ____to the aorta and ____ to renal arteries
Laterally
Inferior
The sma travels …..
Anterior to aorta and parallel inferiorly along the aorta while staying anterior
Suprarenal artery is
Adrenal artery
Left renal vein is ____ to sma and ____to aorta
Posterior
Anterior
Left renal artery is ___ to ivc
Posterior
T/F
The splenic artery is very tortuous.
True (very curvy, not straight)
The common hepatic artery bifurcated into
Proper hepatic- liver
Gastroduodenal artery- passes through the head of the pancreas
What makes up the “seagull”?
Body is celiac trunk
Right wing is common hepatic artery
Left wing is splenic artery
Structure that anchors the diaphragm
-can be seen anterior in prox aorta
Crus of diaphragm
What lobe of liver is seen in sag abdominal aortic scan?
Left lobe
Aorta starts out ___ to body, but it moves ____ as it travels down the body.
Posterior
Anteriorly
Sma supplies blood to
Small intestine
Ascending colon
Part of transverse colon
Sma is surrounded by
Echogenic fatty halo
Splenic vein is ___ to left kidney
Superior
Portal splenic confluence becomes ____ which can be found at ___ of liver on the ___ lobe of liver.
Portal vein
Hilum
Right
Veins have ___ to keep blood from going backward, while ____ do not.
Valves
Arteries
Largest artery in body
Aorta
Largest vein in body
Ivc
Oxygen exchange in arteries and veins take place at _____
Capillary level
Vasoconstriction is
Constriction of veins, this is how BP is maintained
____ drains blood from left lobe of the liver into the IVC
Left hepatic vein
2 main body cavities
Dorsal and ventral
Dorsal cavity contains
Cranial cavity and spinal cavity
Ventral cavity is divided by
The diaphragm
Divided into thoracic and peritoneal
Portion of peritoneum that covers the organs
Visceral peritoneum
Portion of peritoneum lining the cavity that forms a closed sac
Parietal peritoneum
Double layer of peritoneum that extends from the stomach to the adjacent abdominal organs
Omentum
Attaches to the anterior surface of the transverse colon
Greater omentum
Attaches the lesser curvature of the stomach and first part of duodenum to the porta hepatis
Lesser omentum
Where hepatic artery and main PV enter the liver and where the biliary ducts exit
Porta hepitis (hilum of liver)
____ is posterior to stomach and lesser omentum, area where fluid can build up
Greater sac
Located posterior to the stomach
Lesser sac also called omental bursa)
Division of ventral and peritoneal cavities that extends superiority from the iliac crests to pelvic diaphragm inferiorly
Pelvic cavity
Name the orientation of the structure:
Aorta
Vertical
Name the orientation of the structure:
Common hepatic duct
Vertical oblique
Name the orientation of the structure:
Common carotid artery
Vertical
Name the orientation of the structure:
Kidneys
Vertical oblique
Name the orientation of the structure:
Uterus
Vertical
Name the orientation of the structure:
Portal vein
Vertical oblique
Name the orientation of the structure:
Common bile duct
Vertical oblique
Name the orientation of the structure:
Renal arteries and veins
Horizontal
Name the orientation of the structure:
Thyroid isthmus
Horizontal
Name the orientation of the structure:
Splenic vein
Horizontal
Name the orientation of the structure:
Pancreas
Horizontal oblique
Name the orientation of the structure:
Liver
Horizon oblique
When in a longitudinal view to the pancreas, why does the tail appear to curve?
Tail is going deeper (posteriorly) towards spleen
-that’s why we oblique the transducer angling to pt’s left shoulder in order to get long view of pancreas
What orientation would u need to be in to view the isthmus of the thyroid?
Trans
How would u know if you were looking at the inferior level of the right lobe of liver?
You would see right kidneys and gallbladder
__ and ___ run thru head of pancreas
Gastroduodenal artery (anterior)
Common bile duct (posterior)
Formed by a double fold of peritoneal
-blood vessels and lymphatics run along this
Mesentary
The fundus of the gallbladder is the ___ section and the neck of the ___ section
Wider transverse cross section
Smaller transverse cross section
Joining btw 2 things
Anastomosis
Fluid found in abdominopelvic area
Ascites
Subphrenic means
Below diaphragm
Area btw right kidney and liver
Morrison’s pouch
-anechoic if fluid build up has occurred
Infracolic
Below colon
-fluid can collect here
Paracolic
Around colon
-fluid can collect here
Axial means
Transverse cross section
Area not encased in peritoneal cavity
-most liver is encased but small portion is not
Bare area
Para means
To the side of
If the fluid has collected, when the patient is laying supine, what orientation would the fluid be sitting?
Fluid would lie dorsal the patient’s body
Most common area for fluid to collect
Posterior cul de sac
Recto-uterine pouch
“Pouch of Douglas”
Area where fluid can collect that is btw the uterus and rectum
Pouch of Douglas
Area where fluid can collect located btw wall of uterus and bladder
Anterior cul de sac
Vesico-uterine pouch
2 main area where fluid can collect when patient is supine
**most dependent potion
1) Hepatorenal pouch (Morrison’s)
2)Recto-vesical pouch (man)
Recto-uterine pouch (woman)
Once you scan past the ivc in prox long, what are u seeing?
Right lobe of liver
____ acts as a great acoustic window
Water
Formed by the confluence of splenic vein and smv
Main PV
Vessels that supply blood to liver
Splenic vein
Smv
Imv
The liver functions to:
1)
2)
3)
Metabolize blood
Gain nutrients
Detoxify and filter toxins
___ and ___ run alongside corresponding Heptic artery branches
RT PV
LT PV
Courses inferior to superior as it drains blood from large intestine
Smv
Imv from intestine
Which portal triad would we see at the porta hepitis?
CBD, HA, and PV
- this so the one we want to see when finding PV
- extra hepatic
If we see the Common Hepatic Duct, Right Hepatic artery and portal vein, are in intrahepatic or extrahepatic?
Intrahepatic
Caudate lobe is ___ to IVC
Anterior
Ligamentum vinosum separates caudate and left lobe
——— landmark for lt hep vein
Normal blood flow
Flows into the liver/towards transducer
Wave is above the baseline
Hepatopedal
Wave below baseline
-blood flow away from transducer
Abnormal blood flow
Hepatofugal
T/F?
A hepatic vein pulse wave would be mostly below the baseline but also extend above the line.
True, bc it is close the heart
Left lobe is ____ to ivc
Anterior
Main draining source of liver
Left hepatic vein
Fluid on top of liver can be described as
Subphrenic fluid
Rhythmic pulse
Peak= systole (heart contracts)
Drop= diastole (heart relaxes)
Normal arterial blood blow
Continuous wave of blood flow above the baseline
Normal PV blood flow
Drain blood from adrenal glands
Suprarenal veins
- superior portion of kidneys
- rt suprarenal drains directly into ivc
- lt suprarenal drains into left renal vein then ivc
Left gonadal and left Suprarenal veins empty into
Left renal vein
Right gonadal and right suprarenal drain directly into
Ivc
T/F?
There are valves in the IVC, which help move blood back to the heart
False
No valves, respiration’s move blood
Anterior to portal vein are what 2 things?
CBD and HA
- run side by side
- must use color to distinguish and prove
What makes up the “bunny sign”?
Left ear- Middle hep vein
Right ear- left hep vein
Face- ivc
What makes up the “reindeer sign”?
Antlers-Right hep vein, Middle hep vein,
Left hep vein
Head- ivc
Right renal artery runs ____ to ivc
Posterior
Ivc runs directly ____ to caudate lobe
Posterior
Blood clot formed in a vessel
Thrombus
What is TIPS?
Transjugular intrahepatic portosystemic shunt
- helps blood to flow from PV to HV
- used on patients with liver disease and portal hypertension
When dye is injected into vessels and take x rays as it moves thru veins
Venography