Cardiovascular Assessment and Diagnostics - Concept Map
Cardiovascular Assessment and Diagnostics in Clinical Nursing Practice
Related concepts
Cardiac Physiology and Anatomy
Sub concepts
- Four-chamber heart structure (atria and ventricles)
- Blood flow pathway through chambers and valves
- Cardiac output calculation (HR × SV)
- Determinants of stroke volume (preload, afterload, contractility)
- Electrical conduction system (SA node, AV node, bundle of His, Purkinje fibers)
Relationship to central
Foundation for understanding normal cardiovascular function and recognizing deviations during assessment
Health History and Physical Assessment
Sub concepts
- Chief complaint assessment (PQRST for chest pain)
- Symptom evaluation (dyspnea, orthopnea, palpitations, fatigue, syncope)
- Cardiovascular risk factor identification
- Inspection findings (cyanosis, clubbing, JVD, edema)
- Palpation techniques (pulses, PMI, capillary refill)
- Documentation of baseline vital signs and pulse characteristics
Relationship to central
Systematic data collection for identifying cardiovascular problems using nursing assessment framework
Heart Sounds Auscultation
Sub concepts
- Anatomical landmarks (APE To Man - Aortic, Pulmonic, Erb's, Tricuspid, Mitral)
- S1 (lub) - AV valve closure, systole onset
- S2 (dub) - semilunar valve closure, diastole onset
- S3 (ventricular gallop) - normal in children, pathologic in adults (heart failure)
- S4 (atrial gallop) - stiff ventricle, hypertension, ventricular hypertrophy
- Murmurs - graded I-VI, systolic vs. diastolic significance
- Pericardial friction rub - pericarditis indicator
Relationship to central
Critical assessment skill for detecting normal and abnormal cardiac conditions through systematic listening
Electrocardiogram (ECG) Interpretation
Sub concepts
- ECG paper standardization (small box 0.04 sec, large box 0.20 sec)
- P wave - atrial depolarization
- PR interval - normal 0.12-0.20 sec
- QRS complex - ventricular depolarization, normal 0.06-0.10 sec
- ST segment - normal isoelectric, elevation indicates injury (STEMI), depression indicates ischemia
- T wave - repolarization, peaked suggests hyperkalemia, inverted suggests ischemia
- QT interval - total depolarization-repolarization time
- Rate calculation using 300 rule
- Rhythm determination and analysis
- Normal sinus rhythm criteria
Relationship to central
Essential diagnostic tool for detecting electrical abnormalities, ischemia, and arrhythmias
Cardiac Biomarkers
Sub concepts
- Troponin (I and T) - most specific and sensitive marker, rises 3-6 hours, peaks 12-24 hours, elevated 10-14 days
- Creatine Kinase-MB (CK-MB) - cardiac-specific fraction, useful for reinfarction detection
- Myoglobin - earliest marker (1-3 hours), non-specific, rules out MI when negative
- B-type Natriuretic Peptide (BNP) - indicates heart failure and volume overload
- Lipid profile - cardiovascular risk assessment
- Electrolytes (K+, Mg2+, Ca2+) - dysrhythmia risk assessment
Relationship to central
Biochemical indicators of myocardial damage essential for MI diagnosis and risk stratification
Hemodynamic Monitoring
Sub concepts
- Central Venous Pressure (CVP) - right ventricular preload, normal 2-8 mmHg
- Pulmonary Artery (Swan-Ganz) catheter - PAWP measurement, normal 8-12 mmHg
- Pulmonary Artery Wedge Pressure (PAWP) - left ventricular preload indicator
- Arterial line - continuous BP monitoring and frequent ABGs
- Mean Arterial Pressure (MAP) - minimum 65 mmHg for organ perfusion
- Transducer leveling at phlebostatic axis (4th intercostal space, midaxillary line)
- Cardiac output measurement
Relationship to central
Invasive measurement techniques for precise cardiovascular parameters in critical care settings
Cardiac Catheterization
Sub concepts
- Coronary angiography - contrast visualization of coronary arteries
- Percutaneous Coronary Intervention (PCI) - angioplasty and stenting
- Access routes - femoral artery, radial artery, venous access
- Pre-procedure assessment and preparation
- Post-procedure nursing care and monitoring
- Complication identification and management
Relationship to central
Gold standard invasive diagnostic and therapeutic procedure for coronary artery visualization and intervention
Pre-Procedure Nursing Care for Cardiac Catheterization
Sub concepts
- Verify informed consent
- Assess for iodine/shellfish/contrast dye allergy - anaphylaxis risk
- Assess renal function (creatinine) - contrast nephrotoxicity risk
- NPO status 6-8 hours as ordered
- Document baseline vital signs
- Mark peripheral pulses distal to insertion site
- Patient education on expected sensations (warm, flushing, fluttering)
Relationship to central
Essential preparation to ensure patient safety and successful procedure execution
Post-Procedure Nursing Care for Cardiac Catheterization
Sub concepts
- Monitor insertion site for bleeding and hematoma - priority assessment
- Check distal pulses, color, temperature, sensation frequently
- Maintain bed rest with affected extremity straight (femoral access)
- Apply pressure or compression device as ordered
- Encourage fluids to flush contrast and protect kidneys
- Monitor urine output
- Monitor for chest pain, dysrhythmias, retroperitoneal bleeding signs
- Assess for contrast-induced nephropathy
Relationship to central
Critical monitoring and interventions to prevent complications and promote safe recovery
Potential Complications and Patient Education
Sub concepts
- Bleeding and hematoma at insertion site
- Contrast-induced nephropathy
- Allergic reactions to contrast
- Dysrhythmias
- Arterial dissection
- Stroke risk
- Patient teaching - report bleeding, swelling, numbness, coldness
- Site care - keep clean and dry
- Fluid intake recommendations
- Gradual activity resumption
- Cardiovascular risk factor modification (DOH PhilPEN alignment)
Relationship to central
Risk awareness and patient empowerment for safe post-procedure monitoring and recovery
Concept connections
- Cardiac PhysiologyCardiac Output CalculationCardiac output is the fundamental measurement derived from understanding how heart rate and stroke volume interact in the cardiac cycle
- Cardiac Output CalculationStroke Volume DeterminantsStroke volume is directly affected by preload, afterload, and contractility, which together determine cardiac output capacity
- Electrical Conduction SystemECG InterpretationECG records the electrical impulses traveling through the conduction system, with each wave representing specific conduction phases
- Health History AssessmentCardiovascular Risk FactorsIdentifying risk factors during history-taking helps predict MI and heart failure risk, guiding diagnostic test ordering
- Physical ExaminationHeart Sounds AuscultationAuscultation is a key component of the comprehensive physical examination revealing valvular and ventricular dysfunction
- Heart SoundsNursing DiagnosisAbnormal heart sounds support nursing diagnoses like decreased cardiac output and ineffective tissue perfusion
- ECG InterpretationCardiac BiomarkersST elevation on ECG (STEMI) indicates need for immediate troponin measurement and intervention
- Cardiac BiomarkersMyocardial Infarction DiagnosisTroponin elevation is the gold standard for confirming myocardial infarction diagnosis
- Hemodynamic MonitoringStroke Volume DeterminantsCVP and PAWP measurements directly assess preload, one of the three determinants of stroke volume
- Mean Arterial PressureTissue PerfusionMAP must be maintained above 65 mmHg to ensure adequate perfusion of vital organs
- Cardiac CatheterizationCoronary Artery Disease DiagnosisCoronary angiography is the gold standard for visualizing and diagnosing coronary artery disease
- Pre-Procedure AssessmentAllergy and Renal FunctionIdentifying iodine allergy and compromised renal function prevents contrast-induced complications
- Post-Procedure MonitoringInsertion Site AssessmentRegular assessment of bleeding and hematoma is the priority intervention to prevent hemorrhagic complications
- Distal Pulse ChecksVascular PatencyPresence of distal pulses confirms arterial patency and adequate tissue perfusion distal to catheter insertion
- Fluid EncouragementContrast ClearanceIncreased fluid intake helps flush contrast dye and reduces risk of contrast-induced nephropathy
- Patient EducationRisk Factor ModificationTeaching cardiovascular risk factor modification aligned with DOH PhilPEN supports secondary prevention
- Normal Sinus RhythmCardiac Electrical StabilityNSR indicates normal conduction through entire system with appropriate rate and regular rhythm
- S3 Heart SoundHeart Failure IndicationS3 in adults over age 30 is a classic indicator of heart failure and volume overload
- PR Interval ProlongationAV Conduction BlockPR interval exceeding 0.20 seconds indicates delayed conduction through the AV node
- ST ElevationSTEMI EmergencyST segment elevation indicates acute myocardial injury requiring emergency reperfusion therapy
- BNP MeasurementHeart Failure DiagnosisBNP levels below 100 pg/mL effectively rule out heart failure; elevated levels confirm diagnosis
- Troponin Serial MeasurementsMI Confirmation and TimingSerial troponin draws spaced 3-4 hours apart show rising pattern confirming acute MI vs. chronic elevation
- Phlebostatic AxisAccurate Hemodynamic ReadingsProper transducer leveling at 4th intercostal space midaxillary line ensures valid pressure measurements
- MAP Greater Than 65 mmHgOrgan PerfusionMinimum MAP of 65 mmHg is required to maintain adequate diastolic pressure for coronary and cerebral perfusion
- Myoglobin ElevationEarly MI DetectionMyoglobin rises earliest (1-3 hours) but lacks cardiac specificity, useful for early rule-out
- CK-MB MeasurementReinfarction DetectionCK-MB clears faster than troponin (2-3 days), making it useful for detecting reinfarction after initial MI
- Contrast-Induced NephropathyRenal Function MonitoringPre-existing renal dysfunction increases risk; post-procedure monitoring includes creatinine and urine output
- Bed Rest Post-CatheterizationInsertion Site HemostasisMaintaining extremity immobility prevents disruption of femoral puncture site hemostasis
- Capillary Refill TimePeripheral Perfusion AssessmentRefill time under 3 seconds indicates normal arterial perfusion; prolonged suggests reduced perfusion
- JVD AssessmentRight Heart FunctionElevated JVD suggests right atrial pressure elevation from right heart failure or fluid overload
Diagrams
Cardiovascular Assessment and Diagnostics - Comprehensive Concept Map
Comprehensive mind map showing all major concepts and subconcepts in cardiovascular assessment and diagnostics, organized hierarchically from cardiac physiology through diagnostic procedures and patient management.
ECG Interpretation Process - Systematic Analysis Algorithm
Systematic flowchart for ECG interpretation guiding nurses through step-by-step rhythm and rate analysis, following the standard assessment sequence taught in clinical practice and NLE exam preparation.
Cardiac Catheterization - Pre and Post-Procedure Nursing Care Pathway
Comprehensive flowchart detailing the complete nursing care pathway for cardiac catheterization from pre-procedure assessment through post-procedure monitoring, emphasizing critical safety checks and complication prevention aligned with PRC NLE standards.
Cardiac Biomarker Elevation Timeline and Clinical Interpretation
Timeline flowchart showing the temporal elevation pattern of cardiac biomarkers after myocardial injury, helping nurses understand when each marker becomes detectable and its clinical significance for diagnosis timing and reinfarction detection.
Heart Sound Assessment - Systematic Auscultation Landmarks and Findings
Systematic flowchart for heart sound auscultation showing anatomical landmarks using the APE To Man mnemonic, normal sound interpretation, and clinical significance of extra sounds and murmurs for proper nursing assessment documentation.
Cardiovascular Risk Factors Distribution in NLE Clinical Scenarios
Pie chart illustrating the relative prevalence of cardiovascular risk factors commonly encountered in NLE examination scenarios and Philippine healthcare settings, helping students prioritize assessment focus areas.
Myocardial Infarction Progression - From Ischemia to Infarction
State diagram showing the pathophysiological progression from normal myocardial perfusion through ischemia, injury, and infarction, correlating with ECG changes and cardiac biomarker release patterns essential for NLE understanding.