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49 Cards in this Set
- Front
- Back
Layers of arteries and veins
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Tunica externa
Tunica media Tunica intima |
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MCC limb loss
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PAD
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PAD HX questions to ask
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claudication, rest pain, early fatigue, heaviness of the legs, ulcers
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Dependent rubor is what sign
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Buerger’s sign
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Hair in PAD
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Shiny, hairless skin (Due to Dec blood flow)
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What is Livedo reticularis seen in PAD
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mottled skin
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What is ABI?
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Uses a Doppler ultrasound to measure the systolic blood pressure at the brachial artery and at the posterior tibialis artery in the supine patient
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Normal ABI? severe disease?
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N: 0.9-1, D: <.5
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Fontaine stage 1
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usually asymptomatic, intermittant claudiation minimal pain
Ankle-Brachial Index < 0.9 Decreased distal pulses |
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fontaine stage II
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Intermittent claudication, severe pain
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Fontaine stage III
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Daily rest pain, ulcers, gangrene and absent pulses
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Fontain stage IV
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Non-healing ulcers
Ankle-Brachial Index < 0.5 |
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3 things you see in Leriche syndrome when terminal aorta is blocked
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Claudication of buttocks or thigh
Loss of femoral pulse Impotence |
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stage II Fontaine: aorto-iliac disease manifests as? femoral popliteal?
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aorto-iliac disease manifests as pain in the thigh and buttock
femoral-popliteal disease manifests as pain in the calf. |
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MC type of bypass graft for stage III
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Femoral-Popliteal bypass (Most common- using gortex or saphenous vein graft)
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MCC acute ischemia
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emboli
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MC locations and site of embolie
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from cardiac(afib, vascular dz), femoral artery bifercation
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5 P's of acute ischemia?
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pulselessness, paralysis, parasthesia, pain, pallor
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AAA? RF?
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>3cm, HTN, smoking
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MC AAA location
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infrarenal
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People with AAA have increased what? what does it do?
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matrix metalloproteinase (MMP) activity which favor degradation of Collagen and Elastin
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AAA operative indications
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Aneurysms >=5.5 cm
Increase in size >0.5cm over 6 months (rapid expansion) Aneurysm becomes symptomatic (any size) Rupture |
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ruptured AAA triad
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hypotension, pulsatile abdominal mass and back pain
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Preferred AAA repair
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Endovascular Aneurysm Repair (EVAR)
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(most common peri-operative complication) AAA repair
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MI
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What is Artery of Adamkiewicz
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largest anterior segmental medullary artery.
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What is Marginal Artery of Drummond
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(connects) the inferior mesenteric artery (IMA) with the superior mesenteric artery (SMA).
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How does aortoenteric fistula present
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“herald bleed”
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Herald Bleed
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This initial bleed presents with melena or hematochezia
This is followed by a catastrophic bleed and exsanguination High index of suspicion the key!!!! |
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Stanford type A
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lesions involve the ascending aorta and aortic arch and may or may not involve the descending aorta
Need surgery!! |
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Stanford Type B
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lesions involve the thoracic aorta distal to the left subclavian artery descending aorta
medical management |
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Virchow's Triad
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Venous Stasis
Endothelial Injury Hypercoagulable State |
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MCC hypercoaguabliltiy
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factor V leiden
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Low risk DVT
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Minor surgery (<30 min) + no risk factors other than age
Major surgery (> 30 min) , age <40 yrs + no other risk factors Minor trauma or medical illness |
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Mod Risk DVT
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Major general, urological, gynecological, cardiothoracic, vascular or neurological surgery + age >40 yrs or other risk factor
Major medical illness or malignancy Major trauma or burn Minor surgery, trauma or illness in patients with previous DVT, PE or thrombophilia |
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High Risk DVT
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Fracture or major orthopedic surgery of pelvis, hip or lower limb
Major pelvic or abdominal surgery for cancer Major surgery, trauma or illness in patient with previous DVT, PE or thrombophilia |
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Unilateral DVT SX
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calf pain, tenderness, redness
fever persistent tachycardia |
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Homans sign DVT
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pain on passive dorsiflexion of the ankle is a non-specific sign!!!
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“venous gangrene” (phlegmasia cerulea dolen
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Ileofemoral vein occlusion can result in a condition called “venous gangrene” (phlegmasia cerulea dolens = swollen, blue and painful)
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Phlegmasia alba dolens
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Painful white inflammation arterial spasm. The affected extremity is often pale with poor or even absent distal pulses.
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What is D-dimer and when is it useful?
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A fibrin degradation product that occurs in the presence of recent thrombus
Only useful in non surgical patients with no recent trauma |
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What does US allow you to do in DVT
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Allows you to reasonably exclude a major fem-pop or calf deep vein thrombosis in symptomatic patients
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GS DVT
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venography
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TX DVT?
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Anticoagulation with unfractionated or low molecular weight heparin followed by oral anticoagulation
Optimal duration of treatment unknown but no proof that treatment beyond 3-6 months is required (1st episode) |
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95% PE have what SX
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tachypnea
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PE ABG
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classic finding of hypoxia AND respiratory alkalosis
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EKG PE
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S” wave lead 1, “Q” wave in lead 3, “Inverted T-wave” lead 3.
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Venous stasis
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Due to prolonged/untreated venous hypertension in dependant extremities
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Venous Statsis
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Due to prolonged/untreated venous hypertension in dependant extremities
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