Hypertension Flashcards
Blood Pressure
BP is the force exerted by the blood against the walls of the blood vessel
BP is the function of…
Cardiac output (CO) & systemic vascular resistance (SVR)
What is the formula for CO?
Stroke volume (SV) x HR = CO
Erythrocyte
RBCs
Leukocyte
WBCs
Thrombocytes
Platelets
Anemia
- Deficiency in erythrocytes
- quality or quantity of hemoglobin
- Deficiency in the volume of packed RBCs (hematocrit)
Normocytic/normochromic
Normal in size & color
Microcytic/Hypochromic
Small, little color
Macrocytic/megablastic
Large in size
How is anemia diagnosed?
- CBC
- Blood smear
- Reticulocyte count
Causes of anemia
- Blood loss
- Decrease in RBC production
- Increase in RBC destruction
Tissue Hypoxia
Absence of enough oxygen in body tissues to sustain body function
Normal Hgb level for female/male
F: 12-16
M: 13.5-17.5
Mild/moderate/severe anemia Hgb levels
Mild: 10-12
Moderate - 6-10
Severe: <6
General Symptoms of Anemia
- Headaches
- Fatigue/weakness
- Yellowish skin/pallor
- Dizzy
- Numbness/tingling
- Cold hands/feet
- Pruritus
- Increased HR, angina, murmurs
- Dyspnea
Symptoms of Anemia in the Elderly
- Ataxia
- Confusion
- Fatigue
Cobalamin Deficiency
- Deficient in vitamin B12
- Megoblastic anemia
What kind of patients have Cobalamin Deficiency?
- GI issues/surgery (not absorbed well)
- Smokers/alcoholics
- Strict vegetarians
GI Symptoms of Cobalamin Deficiency
- Anorexia
- Nausea/vomit
- Abdominal pain