BIO 108: Heart Pulse Points & Shock

Which pulse point is:

__ - neck

Carotid

Which pulse point is:

__ - upper thigh

Femoral

Which pulse point is:

__ - arm

Branchial

Which pulse point is:

__ - behind knee

Popliteal

Which pulse point is:

__ - forearm

Radial

Which pulse point is:

__ - dorsal/medial foot

Dorsal Pedis

__ is the failure of cardiovascular system to deliver enough O2 or nutrients.

Shock

Which shock type:

__ - decrease in volume

Ex) bleeding, sweating, vomiting, diarrhea

Hypovolemic

Which shock type:

__ - heart fails to pump

Ex) MI, valve problems

Cardiogenic

Which shock type:

__ - severe drop in BP due to abnormal vasodilation

Ex) head trauma

Vascular

Which shock type:

__ - severe allergic reaction

Ex) bee string

Anaphylactic

Which shock type:

__ - bacteria toxins

Septic

Which shock type:

__ - when circulation is blocked

Ex) pulmonary embolism

Obstructive

Signs & Symptom of Shock:

__ - lower blood pressure, rapid - compensate, N+NE (compensate) => ↑HR

Pulse is weak and rapid

Sign & Symptom of Shock:

__ - pull blood from skin to core => ↑T, Sweat

Skin is cool, pale, and clammy

Sign & Symptom of Shock:

__ - lack of O2 in brain

Mental state is altered

Sign & Symptom of Shock:

__ - ↑ ADH

Urine production is reduced

Sign & Symptom of Shock:

__ - body craves water to ↑ volume

Patient is thirsty

Sign & Symptom of Shock:

__ - shunting blood away from GI/Vasoconstriction

Patient may have nausea

Responses to Shock:

__ - Vasoconstriction, ↑ volume, pressure

Activation of renin-angiotensin-aldosterone system

Responses to Shock:

__ - reabsorb water => ↑ volume

Secretion of ADH

Responses to Shock:

__ - ↑HR → ↑contract → ↑CO

Activate the sympathetics

Responses to Shock:

__ - brain, heart first, (↓BP)

Release local vasodilators

Aneurysm is a bulge in __ wall, is caused by weak spot in __, pressure may rupture vessel.

arterial, elastic fibers

__ - defective circulation to the limbs

Claudication

__ - brief drop in BP

Orthostatic Hypotension

__ - inflammation of vein, most common in the leg

Phlebitis

__ - abnormal increase in interstitial fluid

Edema

__ - leaky venous valves allows blood to pool in the vein

Ex) hemorrhoids

Varicose veins

Hypotension is abnormally __ blood pressure (90/60 or lower)

low

Hypertension is abnormally __ blood pressure (greater 140/90)

high

Abnormal Blood Pressure has __ on hearts, brain, kidney, and blood vessel.

damaging effects

Ways to reduce __ are:

• ↓ weight, limit alcohol, reduce salt

• stress management, don’t smoke

Hypertension

What delivers nutrient-laden blood from capillaries of digestive organs to liver sinusoids for processing?

Hepatic Portal System

Tributaries of the Hepatic Portal Vein → (liver):

__ vein - drains part of large intestine.

Superior Mesenteric

Tributaries of the Hepatic Portal Vein → (liver):

__ vein - drains spleen, part of stomach, and pancreas.

Splenic

Tributaries of the Hepatic Portal Vein → (liver):

__ vein - drains part of stomach, small intestine, and part of large intestine.

Inferior Mesenteric

Tributaries of the Hepatic Portal Vein → (liver):

__ veins - drains part of stomach.

Left and right gastric