Cardiac Pathology Indian Medical PG Flashcards - Medical Study Cards
Master Cardiac Pathology with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Cardiac Pathology Flashcard Deck - 10 Cards
Flashcard 51: Flipped pattern of LDH is indicative of _____
Answer: Myocardial infarction
Flashcard 52: Acute Takotsubo cardiomyopathy may histologically show _____.
Answer: contraction band necrosis
Flashcard 53: In myocardial infarction, early neutrophil infiltration starts by _____ hours.
Answer: 12-24 hours
Extra: **Myocardial Infarction: Morphologic Changes Timeline**
* **0-4 hours:** No gross changes; minimal microscopic changes (wavy fibers).
* **4-12 hours:** Early coagulative necrosis, edema, hemorrhage.
* **12-24 hours:** Ongoing coagulative necrosis; marginal contraction band necrosis; **beginning of neutrophilic infiltrate**.
* **1-3 days:** Extensive coagulative necrosis; **brisk neutrophilic infiltrate**.
* **3-7 days:** Macrophage infiltration at margins; phagocytosis of dead cells.
* **7-10 days:** Well-developed phagocytosis; early granulation tissue at margins.
* **10-14 days:** Well-established granulation tissue with new blood vessels and collagen deposition.
* **2-8 weeks:** Increased collagen deposition and decreased vascularity (scarring).
* **>2 months:** Dense collagenous scar.
Flashcard 54: Lepidic cells are characteristically seen in _____
Answer: cardiac myxoma
Flashcard 55: Heart _____, rather than wall thickness, is the best measure of hypertrophy in dilated hearts
Answer: weight
Flashcard 56: _____ occurs when pericardial space is obliterated and calcified, following suppurative or caseous pericarditis, cardiac surgery, or heavy irradiation
Answer: Constrictive pericarditis (Concretio cordis)
Extra: Chronic constrictive pericarditis (concretio cordis) involves a thickened, fibrotic, and often calcified pericardium that adheres to the myocardium, obliterating the pericardial space and restricting cardiac filling. Common causes include previous suppurative or tuberculous (caseous) pericarditis, cardiac surgery, or radiation therapy.
Flashcard 57: Bizarre, markedly enlarged myocytes, also called spider cells, are seen in which cardiac tumor?
Answer: Rhabdomyoma
Flashcard 58: What is the reason for cardiomegaly in Tetralogy of Fallot (ToF)?
Answer: There is typically **no cardiomegaly** in Tetralogy of Fallot (ToF).
Extra: In ToF, the heart size is characteristically normal, though it has a **'boot-shaped' appearance** (coeur en sabot) on chest X-ray due to right ventricular hypertrophy and a concave pulmonary artery segment.
Flashcard 59: Anitschkow cells are plump activated _____ seen in Aschoff bodies
Answer: macrophages
Flashcard 60: Aschoff's bodies in rheumatic heart disease shows _____ necrosis.
Answer: fibrinoid
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