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Med Surg: Pulmonary II - PPT 10
Fall Semester - 2010 (Pulmonary Dx 2, PE and Infarctions)
31
Medical
Graduate
11/07/2010

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Cards

Term
What does a "Hampton's hump" on CXR indicate?
Definition
Pulmonary Infarction
Term
What are some sign and symptoms of PE with infarction?
Definition
Pleuritic chest pain over infarcted area
CXR shows consolidation over infarcted area with pleural effusion
Term
How does a non-infarcted PE present?
Definition
Many times presents with no chest pain and no SOB, variable or vague complaints including rest of exertional dyspnea
Term
What does dyspnea at rest almost always imply?
Definition
implies Vent/Perfusion inequality
Term
What pulse ox reading is characteristic of a PE?
Definition
< 95% with no other explanation
Term
What is the PERC rule?
Definition
Age less than 50
Pulse rate less than 100 beats/min
Oxygen saturation greater than 94%
No hormone use [OC, Testosterone (Workout Hormones), Early hysterectomy]

No hemoptysis
No unilateral leg swelling
leg pain/cramping/”injury”
No recent major surgery or trauma
Recent hospitalizations (bed ridden)
No prior pulmonary embolism or DVT
Term
What is the most common EKG result from obstructive pulmonary embolism?
Definition
PEA
Term
If PE obstructs greater than 50% of the pulmonary vasculature, what effects can occur in the heart?
Definition
acute increase in RV pressure which can lead to dilation, weakness and hypotension
Term
What are the components of Virchow's Triad?
Definition
Trauma,
Stasis,
hypercoagulable state
Term
What are some risk factors of PE?
Definition
Smoking
BC Pills
Post-partum pregnancy
Obesity
HTN
Hormone Replacement
Cancer
CHF
Term
What are the expected signs and symptoms of a PE?
Definition
Pleuritic Chest PAin
Dyspnea
Hemoptysis
Syncope
Tachycardia >100BPM
Tachypnea
Pulse Ox <95%
Unilateral limb edema
Term
What are some atypical symptoms associated with PE?
Definition
Weakness
Dyspnea
Syncope
Non-specific Malaise
Term
What is the typical presentation of a PE?
Definition
2-3 days of shortness of breath now bad enough to see medical treatment
Term
Is substernal chest pain typical of a PE?
Definition
No, that is more of a cardiac complaint
Term
What can a PE on CXR look like?
Definition
can look like lobar pneumonia
Term
What labs should be done if PE is suspected?
Definition
CBC w/differential
D-dimer (will typically be elevated wiPE)
CMP/BMP (Renal Function)
Urine BHCG
EKG
Cardiac Enzymes
ABG
Term
What is a rare sign of a very large pulmonary embolism?
Definition
“Westermark's sign”
Term
What is the best test to diagnose a PE?
Definition
CT Pulmonary Angiogram
Term
What test assesses the Fibrin degradation product found in the blood after a blood clot is degraded by fibrinolysis? In what conditions is it falsely elevated?
Definition
D-dimer; pregnancy, pts on warfarin,
Term
Which is safer in pregnancy for diagnosing a PE, VQ scan or CT Angiography?
Definition
VQ Scan
Term
What are any obstructions in a VQ scan viewed as?
Definition
Viewed as perfusion defects
Term
What must you give patients STAT if PE is suspected? Before giving this, what test should be done, why?
Definition
Anticoagulant (Start with unfractionated heparin IV bolus than infusion, than switch to cumadin after 2-3 days)
Hemoccult to r/o rectal bleed
Term
Besides being a clot-buster, what properties does heparin have?
Definition
Anti-inflammatory properties which helps with pulmonary vasculitis caused by a PE
Term
What is a risky thrombolytic used in severe PE cases?
Definition
Alteplase(Activase) TPA
Term
What are some FDA approved thrombolytics used for PE?
Definition
Streptokinase
Urokinase(Abbokinase)
Term
What Bundle Branch Block is a common complication of a PE?
Definition
RBBB
Term
Under which conditions is surgery recommended for PE?
Definition
patient with a “free” or “floating” embolus in the right side of the heart
patient with very severe refractory hypotension

patients who have a large embolus and cannot undergo fibrinolysis
Term
What factors can be affected with genetic antithrombolytic deficiency?
Definition
antithrombin III
protein C
protein S
Term
What test can be run to detect lower extremity thrombi?
Definition
Duplex ultrasonography
Term
Which veins are the deep calf veins?
Definition
anterior tibial,
posterior tibial,
peroneal veins
Term
What are some signs and symptoms of a DVT?
Definition
calf cramp,
soreness,
fullness,
Swelling,
edema,
erythema,
warmth,
unilaterally,
palpable venous cord
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