NEW
Font size
WorksheetsHeart and Angie
Total questions: 65
Worksheet time: 33mins
It contracts so as to eject oxygenated blood for distribution to different organs and tissues.
SYSTOLIC BLOOD PRESSURE
DIASTOLIC BLOOD PRESSURE
The pressure that is generated due to heart's ventricular contraction
SYSTOLIC BLOOD PRESSURE
DIASTOLIC BLOOD PRESSURE
It relaxes to accommodate the re-entering oxygen-poor blood for another round of oxygenation
SYSTOLIC BLOOD PRESSURE
DIASTOLIC BLOOD PRESSURE
The pressure that is created due to heart's ventricular relaxation
SYSTOLIC BLOOD PRESSURE
DIASTOLIC BLOOD PRESSURE
Greatest pressure is being observed in the _____, since the blood that passes through them was ejected due to ventricular contraction
arteries
veins
Least pressure is seen when blood passes through the ___________, hence the movement of blood that re-enters the heart is slower
arteries
veins
Chronotropy means
the number of heart beats per minute
the volume of blood pumped out by heart with every contraction
volume of blood in the heart (ventricles) prior to contraction
increased amount of water and Na
Blood Volume means
the number of heart beats per minute
the volume of blood pumped out by heart with every contraction
volume of blood in the heart (ventricles) prior to contraction
increased amount of water and Na
Stroke Volume means
the number of heart beats per minute
the volume of blood pumped out by heart with every contraction
volume of blood in the heart (ventricles) prior to contraction
increased amount of water and Na
Cardiac preload means
the number of heart beats per minute
the volume of blood pumped out by heart with every contraction
volume of blood in the heart (ventricles) prior to contraction
increased amount of water and Na
This is important in maintaining BP with changes in body position or posture and for rapid BP regulation
Baroreceptor Reflex
Renin-Angiotensin-Aldosterone System
This is important in in long-term BP regulation
Baroreceptor Reflex
Renin-Angiotensin-Aldosterone System
It is a potent vasoconstrictor that elicits effects which are contributory factors leading to an increase in blood pressure
renin
angiotensin I
angiotensin II
aldosterone
Which of these factors could both lead to increase cardiac output and systemic vascular resistance
atherosclerosis
hypervolemia
stress
thyroid dysfunction
no progressive target organ dysfunction
Hypertensive Urgency
Hypertensive Emergency
Resistant HTN
Isolated Systolic HTN
also known as Malignant HTN
Hypertensive Urgency
Hypertensive Emergency
Isolated Systolic HTN
Resistant HTN
SBP >140 mmHg
occurs frequently in the elderly (5th decade)
non-pharmacologic treatment should be attempted initially
Hypertensive Urgency
Hypertensive Emergency
Isolated Systolic HTN
Resistant HTN
uncontrolled HTN with 3 or more antihypertensive agents
Hypertensive Urgency
Hypertensive Emergency
Isolated Systolic HTN
Resistant HTN
lower blood pressure by depleting the body of sodium and reducing blood volume and perhaps by other mechanisms
Diuretics
Sympathoplegic agents
Direct vasodilators
Angiotensin blockers
lower blood pressure by reducing peripheral vascular resistance, inhibiting cardiac function, and increasing venous pooling in capacitance vessels (the latter two effects reduce cardiac output)
Diuretics
Sympathoplegic agents
Direct vasodilators
Angiotensin blockers
reduce pressure by relaxing vascular smooth muscle, thus dilating resistance vessels and—to varying degrees—increasing capacitance as well
Diuretics
Sympathoplegic agents
Direct vasodilators
Angiotensin blockers
Furosemide
Loop diuretic
Thiazide diuretic
Potassium-sparing diuretic
Osmotic Diuretic
Metolazone
Loop diuretic
Thiazide diuretic
Potassium-sparing diuretic
Osmotic Diuretic
Spironolactone
Loop diuretic
Thiazide diuretic
Potassium-sparing diuretic
Osmotic Diuretic
Mannitol
Loop diuretic
Thiazide diuretic
Potassium-sparing diuretic
Osmotic Diuretic
Clinical Use of Thiazide Diuretics
Nephrogenic diabetes insipidus
Acute Pulmonary edema, and other edematous condition
Hyperaldosteronism
reduce aqueous humor formation leading to decrease in IntraOccular Pressure
Clinical Use of Loop Diuretics
Nephrogenic diabetes insipidus
Acute Pulmonary edema, and other edematous condition
Hyperaldosteronism
reduce aqueous humor formation leading to decrease in IntraOccular Pressure
Clinical Use of Potassium-Sparing Diuretics
Nephrogenic diabetes insipidus
Acute Pulmonary edema, and other edematous condition
Hyperaldosteronism
reduce aqueous humor formation leading to decrease in IntraOccular Pressure
Clinical Use of Carbonic anhydrase inhibitors Diuretics
Nephrogenic diabetes insipidus
Acute Pulmonary edema, and other edematous condition
Hyperaldosteronism
reduce aqueous humor formation leading to decrease in IntraOccular Pressure
It is used for the management of hypertension in pregnancy
methyldopa
clonidine
reserpine
bretylium
It is used for the management of hypertensive crisis and management of HTN in patients on hemodialysis
methyldopa
clonidine
reserpine
bretylium
It inhibits vesicular uptake of norepinephrine
methyldopa
clonidine
reserpine
bretylium
diltiazem
oral vasodilator
parenteral vasodilator
calcium channel blocker
hydralazine
oral vasodilator
parenteral vasodilator
calcium channel blocker
nitroprusside
oral vasodilator
parenteral vasodilator
calcium channel blocker
MECHANISM OF VASODILATION: Opening of potassium channels and hyperpolarization
Hydralazine
Fenoldopam
Calcium Channel Blockers
Minoxidil
MECHANISM OF VASODILATION: Release of nitric oxide
Hydralazine
Fenoldopam
Calcium Channel Blockers
Minoxidil
MECHANISM OF VASODILATION: Activation of dopamine receptors
Hydralazine
Fenoldopam
Calcium Channel Blockers
Minoxidil
Vasodilators that are used to treat hypertensive emergencies
oral vasodilators
parenteral vasodilators
calcium channel blockers
nitrates
Vasodilators that are used to mainly treat angina
oral vasodilators
parenteral vasodilators
calcium channel blockers
nitrates
vasodilators work best in combination with _____ to oppose the compensatory cardiovascular responses like peripheral edema.
beta blockers
calcium channel blockers
diuretics
sodium channel blockers
vasodilators work best in combination with _____ to oppose the compensatory cardiovascular responses like reflex tachycardia.
beta blockers
calcium channel blockers
diuretics
sodium channel blockers
Alternative only drugs for hypertension
beta blockers
calcium channel blockers
diuretics
sodium channel blockers
1st line in management of hypertension especially among patients with chronic kidney disease (CKD) and/or diabetes mellitus (DM)
beta blockers
calcium channel blockers
diuretics
ACE inhibitors
Adverse effects of ACE inhibitors
Interstitial nephritis
Hypotension
Idiosyncratic dry cough
Bilateral renal artery stenosis
decreased oxygenation of myocardium but myocardial cells are still viable
Ischemia
Infarction
absence of oxygenation leading to myocardial necrosis or cell death, which is replaced by fibrous tissue by fibrosis
Ischemia
Infarction
chest pain lasting for at least 20mins and unrelieved by rest of SL nitrates
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Also known as Effort Angina; Classic Angina
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
chest pain lasting for 2-5 minutes precipitated by physical exertion or emotional stress ; and usually relieved with patients resting or SL nitrates
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Also called Variant Angina; Vasospastic Angina; Angina Invers
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Due to transient spasm of localized portions of the blood vessels, usually associated with underlying atheromas
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Pain occurs principally at rest, usually unprovoked by physical exertion
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Oxygen delivery decreases as a result of reversible coronary vasospasm leading to decreased blood oxygen supply
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Myocardial oxygen requirement is not proportional to coronary blood flow leading to increased myocardial oxygen demand
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Management of treatment is to decrease oxygen demand and increase the perfusion of ischemic subendocardial tissue, wherein the following drugs may be used: β-blockers, Nitrovasodilators, Calcium Channel blockers
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Management of treatment is to counteract vasospasm and increase oxygen being supplied by the coronary arteries with the use of the following agents: Nitrovasodilators, Calcium Channel blockers
Acute Coronary Syndrome
Chronic Stable Angina Pectoris
Prinzmetal Angina
Mechanism of Action: activate guanylyl cyclase and increase cyclic guanine nucleotides (cGMP). This activates cGMP-dependent kinases, ultimately leading to dephosphorylation of myosin light chain and relaxation of the contractile apparatus of vascular smooth muscles
oral vasodilators
parenteral vasodilators
calcium channel blockers
nitrates
At regular / low doses: (ISDN 5mg SL, 60 mg SL), the primary effect is peripheral venodilation, which decreases in venous return/preload. Such effects would result in decreased stroke volume, thus anti-anginal effect
oral vasodilators
parenteral vasodilators
calcium channel blockers
nitrates
Amyl nitrite
Very short-acting nitrovasodilator
Short-acting nitrovasodilator
Intermediate acting nitrovasodilator
Long-acting nitrovasodilator
Isosorbide dinitrate
Very short-acting nitrovasodilator
Short-acting nitrovasodilator
Intermediate acting nitrovasodilator
Long-acting nitrovasodilator
nitroglycerin sublingual
Very short-acting nitrovasodilator
Short-acting nitrovasodilator
Intermediate acting nitrovasodilator
Long-acting nitrovasodilator
Methemoglobinemia is observed as a side effect with:
Amyl nitrite
Isosorbide dinitrate
nitroglycerin
Isosorbide mononitrate
1st line maintenance treatment for CSAP
beta blockers
calcium channel blockers
nitrates
vasodilators
Prevent reflex tachycardia associated with nitrovasodilators at high doses
beta blockers
calcium channel blockers
nitrates
vasodilators
