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RealEstateU: Texas Real Estate Principles Part 1 Final ExamQuestions Answered
Correctly |Expert Verified |Latest Version
Low lateral lead and artery - cardiac - ✔Lead V5, V6 - LCX
High lateral lead - cardiac - ✔Lead I, aVL
Symptoms of Left heart failure - ✔Orthopnea, dyspnea, crackles, Low PaO2, SaO2 & SpO2, S3 & S4,
Increased PAOP & PA pressures
Symptoms of Right heart failure - ✔JVD, Peripheral edema, Hepatomegaly, Increased CVP/RAP, S3 & S4
, Symptoms of Systolic heart failure - ✔Decreased stroke volume, decreased ejection fraction, S3 and
enlarged heart
Symptoms of Diastolic heart failure - ✔Decreased stroke volume, normal ejection fraction, S4, normal
heart size
Laboratory signs of DIC - ✔Decreased platelets
Increased PT/INR
Increased aPTT
Decreased fibrinogen
Increased FSP
Increased D-Dimer
Physical signs of DIC - ✔Hypotension, Petechia, Purpura, Bruising, Bleeding in oral, GI/GU, or pulmonary
Chvostek's Sign - ✔Facial muscle twitching when cheek is tapped - Hypocalcemia
Trousseau's Sign - ✔Spasming of the hand when the bp cuff is inflated beyong systolic pressure for >3
min - Hypocalcemia
Grey Turner's Sign - ✔Bruising of the flanks, appearing as a blue discoloration - retroperitoneal bleed
Cullen's Sign - ✔Superficial edema and bruising in the subcutaneous fatty tissue around the umbilicus -
Intraperitoneal bleed
Kehr's Sign - ✔Acute pain in the tip of the shoulder when a person is lying down and the legs are
elevated - splenic rupture
Calculation of anion gap - ✔(Na + K) - (CL + HCO3) *Cations - Anions
Normal is < 15
PaO2/FiO2 Ratio (P/F ratio) - ✔Measures the difference between oxygen content in PaO2 divided by the
FiO2. Used to predict shunting and hypoxemia
<300 = ALI
<200 = ARDS
Acute Respiratory Failure - ✔PaO2 <60 mmHg
PaCO2 >50 mmHg
pH <7.30
Acute Lung Injury & ARDS - ✔Cxr - bilateral diffuse infiltrates with no cardiac enlargement (white-out or
ground-glass appearance)
P/F ratio: (<200 ARDS; <300 for ALI)
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