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USMLE STEP 2 CK DECK QUESTIONS AND ANSWERS $12.49   Add to cart

Exam (elaborations)

USMLE STEP 2 CK DECK QUESTIONS AND ANSWERS

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USMLE STEP 2 CK DECK QUESTIONS AND ANSWERS

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  • October 23, 2024
  • 14
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • USMLE STEP 2 CK
  • USMLE STEP 2 CK
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USMLE STEP 2 CK DECK QUESTIONS AND ANSWERS
Treatment for Wolff-Parkinson-White syndrome who develop atrial fibrillation with rapid
ventricular response - Answers-Cardioversion or antiarrhythmics (eg, procainamide);
avoid AV nodal blockers as the increase conuction through the accessory pathway

Which antiarrhythmic agents increase QRS duration - Answers-Class I (particularly IC,
such as flecainide and propafenone) cause a progressive lengthing of the QRS with
increased rates

Initial treatment for chronic venous insufficiency - Answers-Conservative measures such
as leg elevation, exercise, and compression therapy

Components of dual antiplatelet therapy (DAPT) - Answers-Aspirin + P2y12 receptor
blocker; leades to reduction in MI death in comparison to aspirin alone in patients with
NSTEMI, and reduces the risk of stent thrombosis following DES placement

Persistent ST-segment elevation, deep Q waves - Answers-Ventricular aneurysm; late
complication of STEMI

How does amiodarone affect serum levels of digoxin - Answers-Increases serum levels
of digoxin; can cause toxicity that presents as GI symptoms acutely or neuro/vision
symptoms chronically

Causes of syncope in patients with HOCM - Answers-Outflow obstruction, arrhythmia,
ischemia, and ventricular baroreceptor response that causes vasodilation

How do AVF causes high-output cardiac failure - Answers-Blood shunted from arterial to
venous side > increases cardiac preload > circulation unable to meet demand of
peripheral tissues

Initial test for diagnosis and risk stratification in most patients with suspected stable
ischemic heart disease - Answers-Exercise stress ECG

Mainstay of therapy in patient with alcoholic cardiomyopathy - Answers-Complete
cessation of alcohol consumption

Serum marker with high sensitivity for the diagnosis of CHF - Answers-Elevated plasma
brain natiuretic peptide (BNP) levels

Initial management for pulmonary HTN secondary to LV dysfunction - Answers-Loop
diuretics, ACE/ARB

Specific finding for digitalis toxicity - Answers-Increased ectopy + increased vagal tone >
atrial tachycardia with AV block

, Signs of cholesterol embolization following cardiac catheterization - Answers-
Multisystem involvement; renal faiure, skin manifestations (livedo reticularis, blue to
syndrome), cerebral ischemia, and Hollenhorst plaques

Screening in patients with new-onset atrial fibrillation - Answers-TSH and free T4 levels
to screen for occult hyperthyroidism

Initial management for right ventricular MI - Answers-IV saline bolus to increase RV
preload and improve CO

Medications to be avoided in patients with right ventricular MI - Answers-Preload-
reducing medications such as nitrates and diuretics

Characteristics of scleroderma renal crisis - Answers-Acute renal failure, malignant
hypertension, proteinuria, and schistocytes

Effect of acetaminophen, NSAIDs, amiodarone, and antibiotics on warfarin - Answers-
Potentiate anticoagulant effects of warfarin > increased risk of bleeding

Electrical alternans, enlargement of cardiac silhouette - Answers-Pericardial effusion

Management of ventricular fibrillation and pulseless ventricular tachycardia - Answers-
Immediate defibrillation

Management of hemodynamic instability due to narrow or wide QRS complex
tachyarrhythmia (eg, a fib, a flutter, VT with a pulse) - Answers-Synchronized
cardioversion

First-line therapy for symptom control in patients with stable angina - Answers-Beta
blockers; consider calcium channel blockers or long-acting nitrates if contraindicated

Heart sound associated with left venticular hypertropy from prolonged hypertension -
Answers-S4 > low frequency sound that is heart at the end of diastole

Treatment for patients age 40-75 with diabetes - Answers-Statin + lifestyle modification
+ glucose control

Unexplained CHF, proteinuria, LVH in the absence of HTN - Answers-Amyloid
cardiomyopathy > form of restrictive cardiomyopathy

Treatment for uremic pericarditis - Answers-Hemodialysis; patients present with
retrosternal chest pain, friction rub, and renal failure

Side effects of aspirin and beta blockers in patients with athsma - Answers-
Bronchoconstriction > cardioselective beta blockers are preferred

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