Exam 2: Geriatric pharmacology, CV, palliative care Flashcards
Pharmacokinetics
How drug changes when in the body
Pharmacodynamics
How the body responds to drugs
Kinetics
Absorption, distribution, metabolism, elimination
Dynamics
Baroreceptors, sensitivity (BEERS criteria)
Metabolic syndrome
High FBS, high BP, high triglycerides, truncal obesity, low HDL
When should palliative care begin
At the time of any serious or life limiting illness
Advanced directives
The type of care the patient does or does not wish at the end of life; name a proxy decision maker
5 wishes
The person I want to make care decisions for me when I can’t. the kind of medical treatment I want or dont want, how comfortable I want to be, how i want people to treat me, what i want my loved ones to know
Cachexia
State of general malnutrition marked by weight loss, malnutrition, weakness and emaciation, equal loss of fat, muscle and bone mineral content
Anorexia/cachexia common in
HIV, CA, CKD, HF, COPD
Dx for anorexia/cachexia
serum albumin, prealbumin, transferrin, triglycerides, total lymphocytes, hemoglobin, electrolytes
Indicator of presence of cachectic state
CRP
Appetite stimulants
Progesterone steroids, cannabinoids, corticosteroids
Dx for anxiety
CBC, electrolytes, glucose level, TSH, folate level, ferritin level, vitamin B12, drug screening, O2 saturation
Drug of choice for patients who are delirious in last few days of life
Haldol
Long term use of ___ Can cause delirium
High dose opioids
What opioid should not be used in elderly or seriously ill
Meperidine
What opioids cause less delirium
Fentanyl, hydromorphone, oxycodone
SIGECAPS for depression
Sleep changes, interest changes, guilt, energy change, concentration change, appetite, psychomotor, suicidal thoughts
Drug of choice for depression if death is anticipated within 1 month
Psychostimulant or steroid
Methylphenidate
Medications for dyspnea
O2 via nasal cannula
Morphine most common
Lorazepam every hour prn if still having symptoms
Xerostomia
Dry mouth
Dry cracker test or tongue blade test
Treatment of xerostomia
Treat underlying conditions (thrush), stimulate salivary flow, replace lost secretions, rehydrate
Pilocarpine (cholinergic agent)
-DO NOT USE with COPD, asthma, bradycardia, renal or hepatic impairment, glaucoma, bowel obstruction
Cevimeline: acetylcholinesterase inhibitor (give with mouthwash)
Tx of N/V
Prochlorperazine, haldol, ondansetron, diphenhydramine, scopolamine, steroids, metoclopramide, lorazepam, cannabinoids
First line for constipation
Senna–stimulant
Tx of opioid induced constipation
methylnaltrexone
Palliative sedation
Pharmacological agents to reduce consciousness
Reserved for treatment of intolerable and retractable symptoms
Only for patients with advanced progressive illness
Intervention of last resort
Palliative care is
needs driven
Tx of nociceptive pain in palliative care
NSAIDs, acetaminophen, opioids if more severe
Tx of neuropathic pain in palliative care
Gabapentin, TCAs, lidocaine patch, capsaicin cream
Avoid what pain meds in renal failure patients
NSAIDs and morphine
Safest pain meds for renal failure patients
Fentanyl and methadone
Opioids for acute pain
Morphine IR, oxycodone
Opioids for chronic pain
Morphine ER, oxycontin, fentanyl
Nause med that is renally cleared
Metoclopramide
Tx of delirium
Haldol, risperdal, seroquel
AVOID BENZOS
Cardic pharm test with
Dipyridamole or adenosine
Most common and least invasive test for diagnosis of CAD
Stress test
Major process that mediates acceleration and progression of CAD
Inflammation
Tx of aneurysm indicated when
<5.5cm
Triad of ruptured AAA symptoms
Hypotension, pulsatile abdominal mass, abdominal/back pain
Dx for AAA
Men <60 with sibling or parents with AAA get ultrasound
Men 65-75 who have ever smoked should get one time US
Possible causes of bradyarrhythmias
Hypothyroidism, advanced liver disease, hypothermia, severe hypoxia, calcium channel blockers, beta blockers
Symptoms of tachyarrhythmias
Palpitations, lightheadedness, dizziness, syncope, fatigue, drop in BP
Causes of tachyarrhythmias
Thyrotoxicosis, hypovolemia, regurgitant valvular disease, anemia, hypoglycemia, pheochromocytoma, fever, anxiety, menopause, caffeine, drugs, medications
Relative bradycadia
Too slow to maintain normal BP even if HR >60
S3 indicates
Increased ventricular filling–can be caused by fluid overload, HF, or decreased myocardial contractility
-May be normal in child, young adult or pregnant female
S4 indicates
Resistance in ventricular filling; usually due to LVH due to hypertension
Class 1 antiarrhythmics
Sodium channel blockade
Class 2 antiarrhythmics
Beta blockers
Class 3 antiarrhythmics
Potassium channel blockers
Class 4 antiarrhythmics
Calcium channel blockers
Initial attempt to restore sinus rhythm in A Fib with
Amiodarone
Rate control alone in A fib with
Beta blockers and non-dihydropyridine calcium cannel blockers (dilitazem + verapamil)
Principal agents used in chronic tx of V Tach
Amiodarone and sotalol
Initial med for bradyarrhythmias
Atropine
Drugs that may cause bradyarrhythmias
Beta blockers, calcium channel blockers, digoxin, clonidine, opiates
Where does carotid artery disease originate
Near the bifurcation of the common carotid artery in the region of the bulb
Symptomatic carotid stenosis
Transient or permanent focal neurologic symptoms
Amaurosis fugax
Temporary loss of vision
Benefit groups of statins
LDL >190
40-75 with DM and LDL 70-189
40-75 LDL 70-189 and ASCVD score >7.5%
3 factors that determine myocardial oxygen demand
HR, systemic BP, LV wall tension
Syndrome X
Microvascular angina Women are more prone Chest pain is unpredictable More intense; does not go away with rest Not responsive to nitroglycerine
Acute STEMI usually occurs when
An atherosclerotic plaque ruptures
Chronic stable angina
Sx occur with predictable frequency, severity, duration and provocation
Occur with exertion, relieved by rest or no more than 1 nitroglycerine tablet
Lasts 1-3 minutes
Levine sign
Clenched fist over chest
Unstable angina Sx
occur at rest or wake patient from sleep
Related to decreased myocardial supply
Variant angina
Spontaneous or unprovoked
Beta blockers may exacerbate
CK-MB marker
Rises in 3-12 hours
Peaks at 24 hours
Normalizes 48-72 hours
Myoglobin
Rises in 1-3 hours
Peaks at 6 hours
Normalizes in 24 hours
Troponins
Rises in 3-12 hours
Peaks in 3-4 hours
Normalizes in 14 days
Medications for chronic stable angina
Aspirin, beta blockers, lipid lowering agents, nitrates PRN, ACEI if EF <40 of pt has DM, HTN, CKD
Variant angina tx
Sublingual nitroglycerine acute tx
Calcium channel blockers and beta blockers long term treatments of choice
Unstable angina tx
Immediate aspirin Beta blockers Sublingual nitroglycerine ACEI and ARB improved survival rates High intensity statin therapy
Beta 1 selective blockers
A-M
SE of beta blockers
Fatigue, impotence, cold extremities, bronchospasm, worsening claudication, bradycardia
In smaller doses of nitrates
Dilates venous system, causing a decreased preload
In larger doses of nitrates
Dilates arterial vasculature, lowering the afterload and decreasing resistance to ventricular ejection
Dihydropyridines are more
Vascular selective–minimal or no effect on SA/AV node; dominant effect on vasodilation
Pheochromoctyoma
Catecholamine producing tumor of adrenal glands
5 H’s: hypertension, headache, hyperhidrosis, hypermetabolic state, hyperglycemia
Monitor ___ after initiation of diuretics, ACEI or ARBs
Potassium and renal function
Secondary hypertension should be considered when hypertension develops
<30 or >65
Hypertensive emergency
Hypertensive encephalopathy, intracranial hemorrhage, unstable angina, acute MI, pulmonary edema, eclampsia
Hypertensive urgency
Optic disc edema, progressive target organ complications, severe perioperative hypertension
Medications for hypertensive emergency
Nitroprusside, nitroglycerine, labetalol, esmolol, nicardipine, furosemide, hydralazine, fenoldopam, clevidipine
Sx of myocarditis
Fever, atypical chest pain, fatigue, palpitations
Resting tachycardia with exaggerated chronotropic response to any exertion
May have JVD, hepatic enlargement and pedal edema
Biomarkers in myocarditis
CRP, ESR, troponins
Tx of myocarditis
Hospital and bed rest
ACEI/ARB, loop diuretics and beta blockers
Antiviral therapy
Sx of PAD
Exertional leg sx, poor wound healing in leg/feet, pain at rest in lower leg/feet, abdominal pain that occurs after eating
PE in PAD
Limbs may have muscle wasting and loss of hair
Ulceration
Reduced temperature in limb
Dependent rubor
ABI score in PAD
<0.9
Tx PAD
Daily aspirin, statins
Acute arterial insufficiency
May result from embolus
Recent hx of MI or A fib
Limb usually pale and pulseless with absent or diminished cap refill
Tx of superficial vein phlebitis
NSAIDs, leg elevation, compression stockings, LMWH or factor Xa inhibitor for 6 weeks at least
Chronic venous stasis sx
Chronic edema and skin discoloration on the legs and ankles; varicose veins; ulceration; cellulitis
Purpose of HDL
Lowers LDL by preventing oxidation of LDL within the arterial wall
After initiation of lipid lowering drugs…
Second panel should be obtained in 4-12 weeks
Initial dx before statins
Liver function test
Most common endocrine disorders associated with lipid abnormalities
Hypothyroidism and diabetes
SE of Niacin
Flushing, itching, rash, GI upset
Acanthosis nigricans
Diffuse, hyperpigmented, velvety thickening of the skin that is found in the neck and axillae
Due to metabolic syndrome
Most common cause of HF
CAD
Other common: Htn, A Fib, diabetes
Preload
The degree of myocardial fiber stretch at the end of ventricular filling
Results in LV remodeling, with dilation and impaired contractility and activation of SANS and RAAS
Afterload
Amount of LV wall tension that develops during systole
Arterial BP
Cardinal sx of HF
Dyspnea and fatigue
Specifix sx of HF
JVD, cardiac enlargement, S3
Most effective dx tool for HF
Echo
Stage 1 HF Tx
Control BP, treat lipid disorders
ACEI/ARB in patients with DM
Stage 2 HF Tx
ACEI/ARB
Beta blockers
Stage 3 HF Tx
Daily weights
Sodium restriction
Reduce exercise
Avoid NSAIDs and calcium channel blockers
ACEI/ARB, Beta blocker, diuretic, aldosterone antagonist
Stage 4 HF Tx
Same as stage 3
+ control of fluid balance
Beta blockers for HF
Carvedilol, metoprolol, bisoprolol
Do not give until patient is decongested and stabilized
MRASS
Mitral regurgitation
Aortic stenosis
SYSTOLIC
MSARD
Mitral stenosis
Aortic regurgitation
DIASTOLIC
MVP
Midsystolic click
Aortic stenosis
Advancing age
3/6 crescendo/decrescendo systolic murmur; thrill present usually
Tizandine
Muscle relaxant
Do not give to elderly
Function of LDL
Transport cholesterol to liver cells
Medications that can cause dyslipidemia
Steroids, amiodraone, cyclosporine, estrogen, glucocoricoids, bile acid sequestrants, beta blockers
Screening guidelines for lipids
At age 20 every 5 years
Older than 40 every 2-3 years
With pre-existing hyperlipidemia screen annually
Borderline high total cholesterol
200-239
Borderline high LDL
130-159
Risk of what with triglycerides >1000
Acute pancreatitis
When to take cholesterol medications
At night
BNP value indicative of HF
> 500
Labs with HF
CBC shows anemia Serum albumin elevated ESR decreased Electrolytes low except potassium is high BUN/Cr: elevated
First degree block
Prolonged PR with normal rhythm
Seen with drugs such as dig toxicity, beta blockers, calcium channel blockers
Tx: Stop the med
Aortic stenosis S/S
SOB
Tx if symptomatic: valve replacement
Second degree type 1 heart block
Progressive PR interval until QRS complex dropped
Second degree type 2 heart block
Normal or lengthened PR interval with a periodic drop of QRS complex
Third degree heart block
No impulse to ventricles
Bacterial endocarditis
Caused by S. Aureus or strep viridans
Cause of rheumatic fever
GAS
CHA-2 score for
A fib risk factor tool for stroke
ASCVD risk assessment tool for
Hyperlipidemia
Metoclopramide for elderly
Renally cleared
Dose adjust
Xanthomas
a condition in which fatty growths develop underneath the skin. These growths can appear anywhere on the body, but they typically form on the: joints, especially the knees and elbows
Due to high cholesterol
xanthelasma
a sharply demarcated yellowish deposit of cholesterol underneath the skin. It usually occurs on or around the eyelids
Due to high cholesterol
Transaminitis
refers to unusually high levels of a family of enzymes called transaminases. Transaminitis is not a disease, but it can point to other issues that require treatment. High levels of fat or similar problems may be causing inflammation in the liver
Could be SE of statin
Rhabdo
results from the death of muscle fibers and release of their contents into the bloodstream. This can lead to serious complications such as renal (kidney) failure
Can be SE of statin
Myositis
inflammation of the muscles
Can be SE of statin
Myalgia
muscle aches and pain
Can be SE of statin
TAVR
minimally invasive procedure to replace a narrowed aortic valve that fails to open properly (aortic valve stenosis).
Angiogram
diagnostic test that uses x-rays to take pictures of your blood vessels. A long flexible catheter is inserted through the blood stream to deliver dye (contrast agent) into the arteries making them visible on the x-ray.
ACC stage A HF
High risk of HF but without structural disease or symptoms
Tx: Treat BP and lipid disorders and other co-morbidities
ACC stage B HF
Structural heart disease without sx of HF
Tx: all patients should take ACEI, take beta blocker after MI
ACC stage C HF
Structural heart disease with prior or current sx of HF
Tx: diuretics and digoxin, aldosterone inhibitor if severe sx, monitor weight and restrict fluids
ACC stage D HF
Refractory HF requiring specialized interventions
Tx: determine if need transplant or other surgery or palliative/hospice care