OCS9 – Cardiovascular, Lymphatic, and Thoracic Inlet Exam | 60+ Verified Q&A | CT & CXR Reading, Valve Landmarks, HVLA & TART | 2025/2026

This document provides 60+ expert-verified, clinically integrated questions and answers from the OCS9 (Objective Clinical Skills – Week 19 PQ/OCS/OMM) module at Medical University, for the 2025/2026 academic year. It integrates radiological interpretation, cardiovascular history-taking, lymphatic histology, and osteopathic physical exam techniques for the thoracic inlet and ribs, equipping students for OSCEs, practical exams, and board-style clinical reasoning. Covered content includes: Radiology Skills: Interpretation of axial CT images of the chest and systematic reading of PA/AP chest X-rays, emphasizing stepwise analysis of lung fields, mediastinum, cardiac silhouette, and diaphragm position. Lymphatic System Microanatomy: Structure and function of lymph vessels, diffuse vs nodular lymphatic tissue, and microscopic anatomy of tonsils, lymph nodes, thymus, and spleen. Lymphedema vs Cardiac Edema: Pathophysiology of primary vs secondary lymphedema, how it differs from cardiac-origin edema, and how to assess underlying systemic vs localized dysfunction. Cardiac Illness Scripts: Clinical presentation, pathophysiology, and differential diagnosis of: Atrial fibrillation due to mitral stenosis Supraventricular tachycardia (SVT) Hyperthyroidism Ventricular septal defects (VSD) Cardiac History & Physical Exam: Focused interviewing for chest pain and cardiac complaints using HPI, PMH, Meds, ROS, Allergies, SocHx, and corresponding auscultation landmarks for all valves: aortic, pulmonic, tricuspid, mitral. Osteopathic Exam & Treatment: Perform and document TART findings for the thoracic inlet Diagnose and treat somatic dysfunction of the thoracic inlet and ribs Implement techniques such as rib raising, thoracic soft tissue, HVLA for ribs, and thoracic hyperextension Classify HVLA and articulatory techniques by activity and direction (active/passive, direct/indirect) Discuss indications, contraindications, and safety considerations for OMM in the thoracic region Ideal for: MD/DO students preparing for OSCEs, COMLEX/USMLE exams, and physical exam assessments PA and Nursing students reviewing CV and lymphatic systems and learning auscultation and imaging interpretation Learners in OMM-intensive programs focused on rib mechanics and thoracic inlet assessments Keywords: chest CT interpretation, chest X-ray analysis, lymph node histology, lymphedema vs edema, cardiac auscultation, thoracic inlet exam, rib HVLA, TART findings, atrial fibrillation, supraventricular tachycardia, VSD, hyperthyroidism, lymphatic vessels, thymus, spleen histology, osteopathic rib treatment, OMM thoracic inlet