Cardiovascular And Metabolic Changes Flashcards
Dilated cardiomyopathy often leads to what type of dysfunction and physical exam.
Systolic HF ; both left and right
Left= Dyspnea; Cough; Wheeze
Right= Hepatomegaly; JVD; Peripheral Edema
PE= JVD and S3 gallop
What is the most common type of cardiomyopathy
Dilated
Etiologies of dilated cardiomyopathy (6)
Idiopathic (MC)
ETOH and Cocaine
Doxyrobicin
Infection(Cocksackie Virus)
Vitamin B1 Deficiency
Treatment for dilated cardiomyopathy
“BASH”
Beta blockers
Ace-I/Arbs
Spirinolactone
Hydralyzine
-Nitrates
Sxs control = loop diuretics; digoxin
Low EF = ICD
Restrictive cardiomyopathy explain pathophysiology
Stiff ventricles due to infiltration disease -> Inability to relax during diastole -> diastolic dysfunction
3 etiologies of restrictive cardiomyopathy
Amyloidosis (MC)
Hemochromatosis
Sarcoidosis
Sxs and physical exam findings restrictive cardiomyopathy
Hepatomegaly
Kussmauls JVD w/ inspiration
Peripheral edema
What does the echo show for dilated cardiomyopathy
Ventricular dilation
Thin ventricular walls
Low EF
What does the echo show for restrictive cardiomyopathy
NML to slightly thickened ventricles
Diastolic dysfunction
Atrial dilation due to ventricle resistance
Treatment for restrictive cardiomyopathy
Diastolic dysfunction meds
BB; CCB; Furosemide
HOCM pathophysiology
Genetic disorder of cardiac sarcomeres leading to ventricular hypertrophy
Diastolic dysfunction
+/- Outflow obstruction
Describe HOCM murmur
Harsh crescendo-decrescendo HOLOSYSTOLIC murmur best heard at LLSB ; DECREASES with valsalva
+S4
Treatment approach to HOCM
B-Blocker
CCB
Ablation of the septum
What meds should be avoided in HOCM (3)
Nitrates Digoxin Diuretics
What is the reason for Takotsubu
~ post menopausal : Catecholamine surge.
Where are STE likely present in Takatosubu
Anterior Leads
Treatment approach to takutsubu (4)
ASA
Nitrates
B-Blockers
Heparin
Elevated ; Stage 1 ; Stage 2 HTN
Elevated—120-130 and less than 80
Stage 1—130-139 and/ or 80-90
Stage 2— 140+ and/or 90+
2 high readings on 2 different visits
MC cause of secondary HTN
Renal Artery Stenosis
4 differentials for secondary HTN
Cushings
Hyperaldosteronism
Pheo
Sleep apnea
What ASCVD risk with HTN is okay to try lifestyle changes first
Less than 10%
First line medication to decrease blood pressure
A’ CE-I/ARBS
C’ CBs
T’ hiazide diuretics
What med should be initiated in all patients after MI to decrease mortality
B-Blockers
Define resistant HTN
3 different classes at max doses ; persistent HTN above 130/80
HTN Urgency
Vs
HTN emergency
U= greater 180/110 without EOD
E= greater 180/120 with EOD
Examples of HTN EOD
Retinopathy
Encephalopathy
Cerebral hemmorhage
MI
HF
AKI
Aortic Dissection
Treatment of HTN Emergency
IV medications :
Labetalol
Nitroprusside
Nitroglycerin
Hydralazine
4 goals of shock management
Keep CVP greater 8 w/ IVF
Keep MAP greater than 65mmHg w/ vasopressors
Keep hematocrit greater 30%
Inotropes can augment cardiac output - Dobutamine
3 reasons for a hypovolemic state ; what is its effects on the heart ; TXM
Hemmorhage
Dehydration
3rd spacing
Decreased Preload ; CO
Increased SV
TXM = IVF or Blood
2 reasons for distributive shock
Sepsis or anaphylaxis
Sxs of distributive shock ; effects on the heart
Warm
Dry
Bounding pulses
Altered Body Temperature
Decreased Preload / CO
Increased SV
Distributive shock TXM
Vasopressors ; IVF
Differentials for acute hypotension (3)
Neurogenic (Barorefflex)
Chronic sympathetic efferent dysfunction decreases BP while increasing HR
Orthostatic HTN = SYS drop of 20; DIAST drop of 10
Reflex syncope patho ; causes
Low BP and Low HR
VV
Situational
Carotid sinus hypersensitivity
Tachycardic causes of cardiac syncope
WPW
V-tach
Long QT syndrome
Short QT
Bradycardic causes of cadiac syncope
AV Block
Sick Sinus syndrome
What is the murmur of atrial myxoma
Mid-Diastolic dysfunction
Crescendo Murmur
“AV valve obstruction” due to tumor in the Left Atrium
Positional - Louder when upright ; Dyspnea often improves when laid flat
Patho of mitral stenosis
MC : Rheumatic Fever
Decreased blood flow to the left ventricle
LLB = loudest ; and Low pitch rumble or whoosh sound
What 4 things can cause Dyslipidemia
Increased cholesterol
Hypothyroidism
Pregnancy
CKD
Triglycerides increase with: 5 [DOSEE]
DM
Obesity
Steroids
Estrogen
ETOH
Increased triglycerides can lead to what over what
Pancreatitis
over 500
What is the screening protocols for dyslipidemia
Greater than 35 y/o
Age 20-29 with ASCVD risk
High Intensity Statins
Atorvastatin [40-80] - Lipitor
Rosuvastatin [20-40] - Crestor [less lipophilic]
Moderate Intensity Statins
Atorvastatin [10-20]-Lipitor
Simvastatin [20-40] - Zocor
Rosuvastatin [5-10] -Crestor
Primvastatin [40-80] -Pravachol
Low Intensity Statin
Simvastatin [10]
Pravastatin [10-20]
Lovastatin [20] - Mevacor
MOA of statins
Contraindicated in :
Inhibit HMG COA to increase LDL receptors
Pregnancy Liver Dz Nursing
MOA of Fibrates
Contra
Good for decreasing Tri’s
PPAR Agonsit
-Contra = renal dz ; liver dz
Niacin MOA
ADE
ONLY: Fam HyperChol
Increases HDL production
ADE=Flush; Hyperglycemia
Who needs 1 degree prevention statin therapy
FHx of Early ASVD
Pre-eclampsia
LDL greater 160
Metabolic Synd.
CKDs
Autoimmune Diseases
TGs greater than 175
Who gets 2nd degree prevention?
ASCVD Equivalents = DM; HF
ACS
MI
Angina
Revascularization
TIA CVA
PAD
Who gets 2nd degree prevention
ASCVD Equivalents
ACS
MI
Angina
Revascularation
TIA ; CVA
PAD
Consider what CAC Score:
0 = No Statin
1-99 age 50 greater ; smokers ; CAD = statin
Greater 100 = statin
Age 40-75 ASCVD 5% = what TXM?
NONE
Age 40 -75; ASCVD 5-7.5% ; should get what TXM
Moderate Intensity Statin
Age 40-75 ; ASVD 7.5% -20% ; gets what txm?
Moderate Intensity Statin
ASCVD greater than20% ; Age 40-74 ; gets what txm
high intensity statin
What is the goal LDL for patients with more than 2 risk factors
50% reduction in LDL
Age 20-39 ; w/ Fam Hx Early ASCVD or LDL greater 160; gets what txm
Moderate Intensity Statin
LDL over 190 gets what?
High Intensity Statin
Main ADE’s of Statin therapy (4)
Muscle paresthesias / Atony
Liver Damage
Hyperglycemia
Neurologic Defects
Last resort statin therapy
PCSK-9’s [MABS]
HIS -> still over 70 LDL
Degradation of low density lipoprotein
Good adjunct to PCSK-9s
Ezetimibe
Inhibit small intestine absorption of cholesterol
Strongest for statins ; greater 70 LDL
[omega 3s]
Good for decreasing TGs
Caution = increase LDL dyspepsia
Risk Factors for high ASCVD
DM
Obesity
HTN
Smoking
Fam Hx
Inactive Lifestyle
Dyslipidemia
Definition of dyslipidemia
LDL greater 70
Tris greater 200
HDL less 40
Total Cholesterol over 200 / 240
Test of choice for thyroid concerns
TSH / FT4
What do you need to rule out if you suspect Hashimotos
Addisons Disease
3 drugs that can induce hypothyroidism
Amiodarone
Iodine
Lithium
What metabolic concerns often follow Hashimotos (4)
Low B12
Low Vit C
IDA
Low PTH
Hypothyroid is what on tests and what ab for Hashimotos
TSH HIGH
Low FT4
Thyroglobulin Ab +
Sxs of hypothyroidism (6)
Dry skin
NP edema
Decreased DTRs
Hoarse / Fatigue
Constipation
Menorrhagia
Ab test of choice for graves
AntiTPO Ab
What will a RAIU scan show in graves hyperthyroid.?
Increased uptake
Sxs hyperthyroid
Wt loss
Palpitations
Weak
Fine tremor
+/- AFIB
TXM for HYPERTHYROID
RAI ; ablation
Methimazole; best otherwise
PTU; best in preg.
R2 the gland
Most common type of thyroid cancer
Papillary
Physiologic parathyroid response
Increased PTH ; Decreased CA2+ ; Decreased Vit D = activation of Ca2+
HyperPTH sxs
If Ca2+ high = stones groans moans and overtones
4 reasons to remove the Parathyroid gland
Kidney stones
Vertical compression
Age over 50
24 hr ca 2+ urine over 400
What is increased commonly in hypothyriodism
Phosphate
Sxs of hypoPTH
If low Ca2+ = paresthesias tetany seizures Chovstek Trousseau
Mg effect on PTH
Sub low = increases PTH
High low = decreased PTH
What effectively lowers blood phosphates
Calcitonin