Class Notes (836,580)
Canada (509,856)
Nursing (97)
NURS 2090 (20)
Lecture

Clinical Models for Altered Perfusion.docx

7 Pages
155 Views
Unlock Document

Department
Nursing
Course
NURS 2090
Professor
Heather Helpard
Semester
Fall

Description
Clinical Models for Altered Perfusion Hypertension (HTN) Pathophysiology • A progressive cardiovascular syndrome detected by an elevation in blood pressure and/or the presence of organ damage due to persistent blood pressure elevations • Primary versus secondary Risk factors: • Family history of hypertension • Excessive dietary sodium intake • Aging • Smoking • Diabetes mellitus • Excessive alcohol intake • Obesity • Sedentary lifestyle Clinical Manifestations • Often asymptomatic • Weakness • When advanced, causes CNS changes: • Confusion • Headache • Vomiting • Fatigue • Mental status changes • New-onset blurred vision • Nausea Diagnostic Criteria • History and physical examination • Serial blood pressure measurements • Laboratory studies • Classification: ◦ Prehypertension ◦ Stage 1 ◦ Stage 2 Treatment • Pharmacologic treatments • Lifestyle modifications ◦ Weight reduction ◦ Decreased alcohol, salt & saturated fat intake ◦ Increased aerobic physical activity ◦ Increased fruit and vegetable intake ◦ Smoking cessation Shock Pathophysiology • A condition of circulatory failure and impaired perfusion of vital organs • Sources of impaired perfusion: ◦ Cardiogenic Shock: Ineffective cardiac pumping ◦ Hypovolemic Shock: Decreased blood volume • Sources of impaired infusion (cont’d): ◦ Massive systematic vasodilation:  Septic Shock  Neurogenic Shock  Anaphylactic Shock  Compensatory mechanisms Clinical Manifestations • Tachycardia, tachypnea • Cool, clammy extremities with poor peripheral pulses • Decreased arterial blood pressure (a late sign indicative of decompensation) • Cyanosis and/or pallor • Restlessness, apprehension, decreased mental function • Poor urinary output Diagnostic Criteria • No one test is completely specific or sensitive for shock • History and physical examination • Laboratory studies • Diagnostic testing Treatment • Medical emergency: airway, breathing, circulation • Cardiogenic • Hypovolemic • Septic • Neurogenic • Anaphylactic Myocardial Infarction Pathophysiology • Total occlusion of one or more coronary arteries resulting in ischemia and death of myocardial tissues • Atherosclerosis is most common cause Major Risk Factors: • Family history of CAD • Hypertension and smoking • Blood cholesterol levels • Concurr
More Less

Related notes for NURS 2090

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit