Medicine-Cardio Flashcards
Which pt demographics are most at risk for anaphylaxis 2nd to Latex allergy?-3
image: mottled acute limb ischemia from arterial emboli s/p surgery
Health Care Workers
[Abd Surgery pts]
[GU Surgery pts]
Epigastric burning worst with exertion and not relieved with antacids is concerning for ______. Next step?
[Atypical Stable Angina]; Exercise Stress EKG
How is SLE associated with CAD
SLE accelerates atherosclerosis –> premature CAD
Which EKG leads are Lateral
aVL, Lead 1, V5, V6
Which EKG leads are Anterior
V2, V3, V4
What Px medication is given to prevent [Coronary Artery Stent Thrombosis]-2?
What’s the biggest predictor of Stent Thrombosis?
ASA + [Platelet R Blocker (Clopidogrel,Prasugrel,Ticagrelor)]
DC/noncompliance of this therapy = BIGGEST PREDICTOR of Stent Thrombosis
Initial Mngmt for [Peripheral Arterial Dz]-4
- Smoking Cessation
- Dual Lipid lowering therapy (ASA + Statin)
- Mnge DM/HTN
- Supervised Exercise (reproduces and reduce sx)
____, ___ and ____ are 3 drugs that should be held ___ hrs prior to [Stress EKG].
When are these drugs actually continued during [Stress EKG]?
Beta blockers/CCB/Nitrates; 48 hours
These are continued during [Stress EKG] if the test is determining their efficacy in pts
What is [Pulsus parvus et tardus] and what dz is it related to
Delayed and diminished carotid pulse; Aortic Stenosis
PE findings for Aortic Stenosis-3
- Pulsus parvus et tardus (delayed carotid pulse)
- S4 (from LV Hypertrophy)
- [Crescendo Decrescendo Systolic murmur w/radiation to Carotids @ R 2nd ICS]
Which Murmur?
(Auscultation Site is attached)
B: Maneuvers that INC (2)
Mitral Regurgitation
[Holosystolic High-Pitched Blowing Murmur] w/radiation to axilla
“MR. Hand me a Squat”
B: INC with…
1) Hand Grip
2) Squatting
Which Murmur? (Is Not VSD)
(Auscultation Site is attached)
B: Maneuvers that INC
Tricuspid Regurgitation
[Holosystolic High-Pitched Blowing Murmur]
B: INC with… Inspiration
Which Murmur?
(Auscultation Site is attached)
B: Maneuvers that INC (2)
C: Maneuvers that DEC
Aortic Stenosis
[Crescendo-Descrescendo Systolic Ejection Murmur]
“Lean forward…& then Squat with that Ass, that’ll turn it up!”
B: INC with…
- Leaning Forward
2) Squatting
C: DEC with…handgrip (INC afterload)
Mitral Valve Prolapse
Murmur
“He was MVP…OF COURSE he had a Mid Clique to hang with”
[MidSystolic Click –> Late Systolic Crescendo Mumur] @ Apex
Sound Caused by Tendinae tightening and lips of the valve closing AFTER the preload has been ejected
Which Murmur?
(Auscultation Site is attached)
Mitral Valve Prolapse
[Late Systolic Crescendo Murmur + MidSystolic Click]
Which Murmur?
B: Name the Auscultation Site
C: Maneuvers that INC sound
Mitral Stenosis
[Delayed Rumbling Diastolic murmur that follows an Opening Snap]
B: [Apex + LLDP (L Lateral Decubitus Position)]
C: Maneuvers that [INC Afterload]
-handgrip
Which Murmur?
(Auscultation Site is attached)
Hypertrophic Cardiomyopathy
[Holosystolic Harsh Murmur] auscultated @ [L Sternal 2nd/3rd ICS]
Which Murmur?
(Auscultation Site is attached)
Ventricular Septal Defect
[Holosystolic Harsh Blowing Murmur]
Which Murmur?
(Auscultation site is attached)
Patent Ductus Arteriosus
[Machinery Continuous Murmur] ausculated over [L infraclavicular region]
In regard to renal arterioles, how do kidneys respond to CHF
Constrict Efferent Arterioles –> INC intraglomerular pressure
What are clinical parameters for Orthostatic hypOtension?-3
- ⬇︎ in Systolic BP > 20 when standing
- ⬇︎ in Diastolic BP > 10 when standing
- INC HR > 10
insufficient constriction of capacitance blood vessels in LE
Presentation for Aortic Coarctation-2
- Asx HTN sometimes w/[epistaxis/HA/aortic dissection/cp]
- UE HTN with LE hypotension
- Delayed femoral pulses
Dx for Aortic Coarctation?-4
- EKG: L Vt Hypertrophy
- CXR: Notching of 3rd-8th enlarged intercostal arteries
- CXR: “3” sign from aortic indentation
- Echocardiography
What Disorders is Aortic Coarctation associated with?-3
- Bicuspid Aortic Valve
- Vt Septal Defect
- Turner Syndrome
Pt with vague chest pain. Dx?
Descending Thoracic Aortic Aneurysm
Describe Etiologies for both Thoracic Aortic Aneurysms: Ascending-2 and Descending-2
- Ascending [Cystic medial necrosis from aging] vs [Connective Tissue DO (Ehlers Danlos, Marfan - pts under 40 yo)]*
- Descending*
What value of BNP indicates CHF dx
≥ 100 pg/mL
Note: BNP is excreted by Kidneys = Naturally Elevated in Renal Failure pts!
Describe [Hypertensive Urgency]
ONLY HTN ≥ 180/120
Describe [Malignant HTN Emergency] - 2
[Hypertensive Urgency (BP>180/120)]
+
Papilledema/Retinal Hemorrhages
Describe [Hypertensive Encephalopathy] - 2
[Hypertensive Urgency (BP>180/120)]
+
Cerebral Edema –> General Neuro signs
EKG manifestation for Acute Fibrinous Pericarditis-2
DIFFUSE ST elevations + sometimes PR depressions
Pericarditis gave HIM A UTI
What is usually the cause of pericardial effusion
recent viral infection –> pericarditis –> pericardial effusion
- Pericarditis gave HIM A UTI*
- EKG showing electrical alternans*
Describe Pulsus Paradoxus
[Systolic BP] ⬇︎more than 10 during inspiration
“Pulsus for CAPOT”
What conditions cause Pulsus Paradoxus (5)
“Pulsus for CAPOT”
- Croup
- Asthma
- Pericarditis
- Obstructive Sleep Apnea
- Tamponade
What 2 heart conditions are Marfan pts at risk for
AORTIC DISSECTION & [Ascending Aortic Aneurysm]
What should you suspect in an [Aortic Dissection pt] who also has distended neck veins & pulsus paradoxus? Why?
Concomitant Cardiac Tamponade; dissection can –> blood in pericardial sac –> [Pulsus for CAPOT]
Digoxin toxicity leads to what cardiac arrhythmia?
[Atrial Tachycardia(250-350 bpm)] with AV block
Head bobbing with each heart beat or Head pounding is c/w ______
Aortic Regurgitation
Head bobbing with each heart beat = de Musset sign and is sign of widened pulse pressure
In Hypertensive Crisis (Urgency & Malignant Emergency), what’s the rate for lowering MAP?-2
Normal MAP: 65-110
[10-20% in 1st hour] –> [5-15% over next 23 hours]
Malignant HTN Emergency = [Hypertensive Urgency (BP>180/120)] PLUS Papilledema/Retinal Hemorrhages
What is the normal range for Mean Arterial Pressure (MAP)?
Formula?
65-110; formula in pic
What is Nitroprusside commonly used for? Severe SE-3?
Rapid BP control (since it’s a vasoDilator);
Cyanide Tox
- AMS
- Lactic Acidosis
- Coma/Death
CP for Exertional Heat Stroke-3 ; What med worsens this?
HOT
- Head CNS dysfunction (confused/seizure/epistaxis)
- Organ Dysfunction (DIC/ARDS/Hemoconcentration/Rhabdo)
- Temp > 40C
Worst with antiCholinergics
Compare tx for Exertional-2 heat stoke vs. NonExertional-1 heat stroke
Exertional = Ice water immersion + fluid resuscitation
NonExertional (happens in kids & elderly) = Evaporative cooling (spray lukewarm water on pt with fan blowing)
How is Aortic Dissection associated with Aortic Regurgitation ; what’s a possible respiratory complication of this
AD may proximally extend into the [aortic valve annulus] and stretch it –> AR which can–> Acute SOB w/lung crackles (since LV will be full and LA can’t dump into it)
Imaging modalities for Aortic Dissection-3
- TEE-unstable or renal CTX
- [Spiral CT Angio] - Stable vitals
- [MRI-NonEmergency]
TEE is great because it’s used in renal pts
Name PE finding and what causes it-5
Livedo Reticularis;
- Atherosclerotic Emboli into periphery s/p cardiac catheterization
- SLE
- Antiphospholipid Syndrome
- Systemic Vasculitis
- Amantadine SE
also may see Blue Toes, [Hollenhorst retinal a. plaques]
Fibromuscular Dysplasia etx ; List the manifestation-3
Noninflammatory/Nonatherosclerotic abnormal arterial wall cell dysplasia –> Stenosis of 3 arteries…
Renal = ⬇︎renal perfusion–> ⬆︎Renin = HTN
Carotid = amaurosis fugax
Vertebral = stroke
Fibromuscular Dysplasia dx-2
[Spiral CT angio Abd] vs. Duplex US
2nd degree AV Block: Mobitz Type 1
Describe where block is, EKG findings and describe QRS
[2nd degree AV Block: Mobitz Type 1]
where = AV Node
EKG = Group beating (prolonged PR leading to absent beat/nonconducted P wave)
QRS is Narrow
2nd degree AV Block: Mobitz Type 2
Describe where block is, EKG findings and describe QRS
[2nd degree AV Block: Mobitz Type 2]
where = Bundle of His
EKG = Beat Drops Randomly but PR stays constant
QRS is Narrow OR Wide
Name the 4 Medications that Prevent LV Remodeling in HF pts
“BANA helps HF pts live Loonger”
Beta Blockers (Metoprolol / Carvedilol)
[ACEk2 inhibitors AND ARBs]
[Nitrates + Hydralazine]
[Aldosterone Blockers (Spironolactone / Eplerenone)]
List 7 Therapies for an Acute MI ; Give brief description of why their used
Pts with [Acute MI] Need OBAMAA!
- NTG = VasoDilates Veins and Coronary Arteries
- Oxygen = Minimizes ischemia
- Beta Blockers = DEC HR –> DEC Arrhythmia risk and DEC O2 demand
- [ASA and Heparin] = limits thrombosis
- Morphine = Pain
- ACEk2 inhibitors within 24 hrs= DEC [L Ventricle Dilation/Remodeling]
- AtorvaSTATIN - comes later
What therapies are used to treat Unstable Angina?-7
Pts with Unstable Angina Need OBAMAA too!
- NTG = VasoDilates Veins and Coronary Arteries
- Oxygen = Minimizes ischemia
- Beta Blockers = DEC HR –> DEC Arrhythmia risk and DEC O2 demand
- [ASA and Heparin] = limits thrombosis
- Morphine = Pain
- ACEk2 inhibitors within 24 hrs= DEC [L Ventricle Dilation/Remodeling]
- AtorvaSTATIN - comes later
ASA and Beta blockers can –> asthma exacerbation
Tx for symptomatic Sinus Bradycardia-4
1st line: [IV Atropine + Fluids]
2nd line: IV Glucagon (⇪intracell cAMP)
Alternatives: IV Epi / IV DOPAmine / transcutaneous pacing
A pt with what group of sx is most concerning for Cardiac Tamponade
- Distended Neck Veins
- Muffled heart sounds
- HypOtension
THIS IS BECK’S TRIAD!
Which demographic should ALWAYS be screened for AAA using _______
AAA screening/diagnosis = Abdominal US
Always Screen [65-75 yom who smoke]!!!! for AAA
Which HTN med causes isolated peripheral edema and why? How do you correct for this and why does it work?
[Dihydropyridine Ca+ Channel Blockers (Amlodipine/Nifedipine)] preferentially dilate Arterioles –> interstitial extravasation –> isolated peripheral edema
[ACEk2 inhibitors preferentially dilate Veins].
So [DHP CCB] + [ACEk2 inhibitors] concurrent = ⬇︎peripheral edema
ALPHA 1 RECEPTOR
Tissues - Actions (3)
“Gimme an alpha 1 VID”
(1) Most Vascular smooth muscle- contracts (inc. vascular resistance)
(2) Dilator Pupillary muscle- contracts (myDriasis)
(3) Internal Urethral Sphincter- contracts
ALPHA 2 RECEPTOR
Tissues- Actions (4)
“You’ll find alpha 2 receptors on a PEAA”
(1) A**drenergic and cholinergic nerve terminals- inhibits NTS release–> [CNS-mediated BP DEC]
(2) *Platelets- stimulates aggregation
(3) *Adipocytes - DEC Lipolysis
(4) Eye - DEC Intraocular pressure
BETA 1 RECEPTOR
Actions (2)
(1) Heart- INC rate and force by [INC [Na+ I(f) channels] in phase 0 of AV node] –> shortens PR interval
(2) JGA cells- Stimulates renin release
BETA 2 RECEPTOR
Tissues-Actions (4)
(1) Relaxes RUV - (Respiratory, Uterine and Vascular) smooth muscle
(2) Liver- stimulates glycogenolysis
(3) Pancreatic B cells- stimulates insulin release
(4) Somatic motor nerve terminals (voluntary muscle)- causes tremor
What is [PEA-Pulseless Electrical Activity] and how should it first be managed-2?
Organized rhythm on cardiac monitor BUT NO Palpable pulse in a cardiac arrest pt; [CPR + Epi] until cause is determined!
Note: VT DOES require defibrillation
What are the causes of PEA (Pulseless Electrical Activity)-10
Describe the Approach to [Adult Cardiac Arrest] if pt is in Asystole or PEA-6
Describe the Approach to [Adult Cardiac Arrest] if pt is in VFib or pulseless VTach-6
What is the normal Jugular venous pressure
3-4 cm above sternal angle
Periumbilical Systolic-Diastolic Bruit in [HTN & Atherosclerotic pt] suggest _______
Renal Artery Stenosis
[Ex of Amyloidosis (primary AL) vs. (secondary AA)] and [causes of secondary AA]-5
Etx of Amyloidosis = Extracell deposition of insoluble protein in organs
(primary AL) vs. (secondary AA)
(secondary AA) caused by:
- Inflammatory arthritis (RA)
- Chronic infection
- IBD
- CA
- Vasculitis
Clinically, what picture makes you suspect Amyloidosis from a cardiac standpoint?-4
- Unexplained [Diastolic HF] with
- echo showing ⬆︎ Vt Wall thickness but normal L Vt Cavity dimensions and
- EKG showing low voltage
- Proteinuria
Amyloidosis causes Restrictive Cardiomyopathy
RBC 1/2 life
120 days
Common Causes of [Constrictive Pericarditis] - 4
Look for the pericardial knock!
‘Ur an Idiot to constrict my Radio & T-V”
Idiopathic
Radiation
TB
Viruses
This is a common cause of R HF
The CHA2DS2 VASc score is used to determine _______ risk in pts with ______. Decsribe the Criteria
determines Thromboemobolism risk in pts with AFib
Afib Pts with CHA2DS2 VASc score ≥ 2 should be Rx managed with what?-2
ASA + [PO Warfarin vs PO NOAC]
[NOAC = (apixiban,rivaroxaban,dabigatraban)]
Compartment Syndrome and Acute Arterial Occlusion share the same symptomotology
List the sx-6
The 6 P’s
Paresthesia-early sign
Pain
Pallor
Poikilothermia (cool to touch)
Paralysis
Pulseless-late sign
[Scleroderma renal crisis] Etx and Sx-2
INC vascular permeability–>coagulation cascade activation AND renin secretion –>
- DIC
- Malignant HTN emergency
High Output HF Etx ; 5 major causes
Cardiac output is > than normal (55-70%) due to state of excess blood volume
- Anemia-severe
- Hyperthyroidism
- Wet BeriBeri
- Paget Dz
- AV Fistulas
In which type of HF is ejection fraction preserved
Diastolic HF
Causes of Pericarditis-7
image = pericardial effusion 2/2 Pericarditis
“Pericarditis gave HIM A UTI”
- Infection-Viruses (Coxsackie/ echovirus/adenovirus)
- Acute MI
- Immune (Dressler vs SLE vs RA)
- [HMLB CA] - (Hodgkin’s/Mesothelioma/Lung/Breast)
- Trauma
- Mediastinal Radiation
- Uremia (BUN > 60) - TREAT WITH HEMODIALYSIS
What 3 maneuvers INCREASE intensity of Aortic Regurgitation
“AR your Hands & Breath [Leaning Forward] ?
- with Hand Grip
- when Breath is held after exhalation
- with Patient leaning forward
Describe the following parameters during hypOvolemic shock:
A: Systemic Vascular Resistance
B: Cardiac Output
C: BP
A: Systemic Vascular Resistance = INC
B: Cardiac Output = DEC
C: BP = DEC
Primary PCI (PerCutaneous Intervention) for STEMMI should be administered when in order to restore coronary blood flow? - 3
- Within 12 Hours of sx onset
+
2A. within 90 min from first medical contact to device at PCI instituition OR
2B. within 120 min from first medical contact to device at NON-PCI instituite (allows transport time)
When is Carotid Endarterectomy(CEA) indicated in Men-2 vs Women?
Men: [> 70% occlusion and Symptomatic] or [> 60% occlusion but Asx]
Women: [> 70% occlusion regardless of sx]
ANY OF THESE –> CAROTID ENDARTERECTOMY
Biggest RF for Aortic Dissection
HTN
Marfan may also cause AD but happens in pts < 40 yo
Arrhythmia is a complication [30 min-4 Hrs] Post MI
List the 2 types of Arrhythmias, when they occur and Etx ;
Which is the most common cause of Sudden cardiac arrest?
- [Immediate Phase 1A Vt Arrhythmia] occurs within 10 min post MI and caused by Reentrant Arrhythmias = MOST COMMON CAUSE OF SUDDEN CARDIAC ARREST
- [Delayed Phase 1B Vt Arrhythmia] occurs 10-60 min post MI and caused by abnormal automaticity
Post MI evolution
4-12 hours
Complications
Arrhythmia
Post MI evolution
1-3 DAYS
Complications
[Fibrinous Pericarditis–> [sharp & pleuritic Chest Pain] + friction rub] (only with transmural infarcts)
Post MI evolution
3-7 DAYS
A: Complications (3)
B: Lab
Macrophage phagocytosis of dead debris –> weakens cardiac tissue
A: Cardiac Tissue Weakning (Vt Free Wall Rupture-ANTERIOR MI) / (papillary m. rupture-INFERIOR MI) / (interventricular septal rupture)
B: [CkMB] returns to Baseline at Day 3
Post MI evolution
7-10 Days
A: Complications
B: Lab
No Complications
B: [Trop I] returns to baseline
Post MI evolution
2 - 8 WEEKS
A: Gross Changes
B: Complications (3)
2 - 8 WEEKS
A: White Scar w/[Type 1 Dense Collagen]
B: Aneurysm / [Mural Thrombus] / Dressler’s
Describe the following parameters during hypOvolemic shock:
A: [Pulm Capillary Wedge pressure]
B: [Cardiac Index (Pump Function)]
A: [PCWP] = ⬇︎
B: Cardiac Index = ⬇︎
Cardiac Index (pump function) = Cardiac output➗Body Surface area
Define parameters for ISH (Isolated Systolic HTN) and its Etx
[Systolic > 140] but [Diastolic< 90]; Stiffening of Arterials walls as we age –> inability to dampen systolic pressure –> [INC pulse wave velocity AND reflection during systole]
THIS SHOULD BE TREATED!
7 common causes of Dilated Cardiomyopathy
“the PIG PAID for Dilated Cardiomyopathy”
- Post Viral Myocarditis (Coxsackie B)
- Alcohol related (direct toxicity vs. nutritional deficiency)
- [Doxorubicin & Daunarubicin Chemo] (dose-dependent)
- Peripartum (late in pregnancy vs 5 mo. post partum)
- Genetic (affects cytoskeleton)
- Iron Overload: [Hereditary Hemochromatosis] or [Multiple Blood Transfusion Hemosiderosis] = Iron accumulates and interferes with metal-dependent enzyme system in myocytes
-
Idiopathic
* DILATED IS MOST COMMON CARDIOMYOPATHY and CAN BE ACUTE*
Name 6 major absolute ctx(contraindications) to Thrombolytic tx
- Bleeding
- Aortic Dissection
- Aneurysm
- Ischemic stroke within past 6 mo.
- Head trauma
- Bleeding DO (coagulation abnormality, thrombocytopenia)