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Flashcards in Cardiovascular Deck (392)
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121

How does sympathetic stimulation speed HR?

increases opening of funny channels

122

What is the Mnemonic to remember the drugs that can increase QT?

Some Risky Meds Can Prolong QT

123

What is the S of Some Risky Meds Can Prolong QT?

Sotalol

124

What is the R of Some Risky Meds Can Prolong QT?

Risperidone

125

What is the M of Some Risky Meds Can Prolong QT?

Macrolides

126

What is the C of Some Risky Meds Can Prolong QT?

Chloroquine

127

What is the P of Some Risky Meds Can Prolong QT?

Protease Inhibitors (-navir)

128

What is the Q of Some Risky Meds Can Prolong QT?

quinidine

129

What is the T of Some Risky Meds Can Prolong QT?

Thiazides

130

Which Arrhythmia can kill a person with Long QT Syndrome?

Torsades

131

What are the two syndromes that can produce congenital long QT syndrome?

Romano-Ward

Jervell and Lange-Nielsen

132

Which congential long QT syndrome only produces cardiac defects? What is the inheritance pattern of this disease?

Romano-ward

autosomal dominant

133

Which congential long QT syndrome produces deafness in addition to cardiac defects? What is the inheritance pattern of this disease?

Jervall and Lange-Nielsen

autosomal recessive

134

What is the bypass pathway of WPW called?

bundle of Kent

135

What type of heart pathology can lyme disease create?

3rd degree

136

What 2nd messenger is activated by ANP?

cGMP

137

Where is BNP released from? When?

ventricular myocytes

increased stretch

138

What can BNP be used to rule out?

acute heart failure

139

What is synthetic BNP? What is it used to treat?

Nesiritide

acute heart failure

140

What does the aortic baroreceptor project to?

nucleus tractus solitarius

141

What does the aortic baroreceptor respond to?

increased pressure only

142

What nerve does the aortic baroreceptor respond to?

vagus

143

What nerve does the carotid receptor use?

glossopharyngeal

144

What does the carotid baroreceptor respond to?

increases and decreases in blood pressure

145

What is the normal pressure in the right atria?

less than 5 mm Hg

146

What is the normal pressure in the right ventricle?

25/5

147

What is the normal pressure in the left atria?

less than 12 mm Hg

148

What is the normal pressure in the LV?

130/10

149

What is the normal pressure in the pulmonary artery?

25/10

150

What is the only organ where CO2 causes vasoconstriction?

lung