Cardiovascular System 2 Flashcards
What should be performed after 6-8 weeks in patients with suspected Kawasaki disease?
Echo (to check for coronary artery aneurysms)
How does the measles rash spread?
From head to toe
What does squatting do during Tet spells?
Increases the systemic vascular resistance
What happens in Tetralogy of Fallot when the pulmonary vascular resistance exceeds the systemic vascular resistance?
Cyanosis (R to L shunt)
What’s the tx for Vfib?
Defibrillation
When do you give Epinephrine?
Vtach
How does the cardiac contour look with acute tamponade (rather than subacute)?
Acute has a normal cardiac contour
Is anticoagulation needed in lone paroxysmal Afib?
No
What does increased QRS voltage indicate?
LVH
Tet spells are due to what VOT?
RVOT
What would you check first before performing a renal US?
Serum creatinine and urinalysis
What should be suspected in young patients with unexplained AV block?
Sarcoidosis
How does B-blocker toxicity present?
Bradycardia, hypotension, hypoglycemia, delirium, seizures, cardiogenic shock
How do you treat B-blocker toxicity?
Glucagon
How does digoxin toxicity present?
Fatigue, nausea, blurred vision, disturbed color perception, cardiac arrhythmias
What does wide splitting indicate (causes a delayed pulmonic sound)?
Pulmonic stenosis
RBBB
“Drinking PBR makes you wide”
What does paradoxical splitting indicate (eliminates the split sound)?
AS
LBBB
What does increasing hand grip increase?
Afterload
“Jerking off the afterload”
What murmurs are increased by hand grip?
MR, AR, and VSD
“Mr Arvsd loves jerking off”
What does valsalva decrease?
Preload
“To reduce pre-cum, bear down during sex”
What murmurs are increased by valsalva?
HOCM
What does rapid squatting increase? (3)
- Venous return
- Preload
- Afterload
What murmurs are increased by rapid squatting?
MR, AS, and VSD
“Mr ASSvsd loves squats”
Diastolic _____?
ARMS &
PRTS
The machine is a ____?
PDA
What are the 3 signs of LHF?
- Orthopnea
- Paroxysmal nocturnal dyspnea
- Pulmonary edema
What are the 3 signs of RHF?
- Hepatomegaly
- JVD
- Peripheral edema
Are the following levels increased or decreased in hypovolemic shock?
PCWP (preload)
CO
SVR (afterload)
PCWP: Decreased
CO: Decreased
SVR: Increased
What protozoan can cause megacolon and cardiac disease?
T cruzi (Chagas disease)
Remember, the question stem might include a JVD but it might be a normal value! What is the normal range for JVD?
Less than 4cm above sternal angle
T/F: Turner’s syndrome can predispose to aortic dissection?
True
What is sick sinus syndrome?
Age-related degeneration of the cardiac conduction system, leading to bradycardia/tachycardia, pauses, etc
Which EKG reading has irregularly irregular beats with no P waves?
Afib