Cardiovascular Tests and Procedures
Key Takeaways
- ECG or EKG records the electrical activity of the heart, while echocardiography uses ultrasound to image the heart.
- Angiography images vessels, cardiac catheterization places a catheter into the heart or vessels, and Doppler evaluates flow.
- Stress testing, Holter monitoring, telemetry, troponin, BNP, lipid panels, CBC, and coagulation tests are common cardiovascular assessment terms.
- PCI, angioplasty, stent placement, CABG, ablation, pacemaker, ICD, and valve procedures are high-yield intervention terms.
- Procedure suffixes such as -gram, -graphy, -scopy, -plasty, -ectomy, -centesis, and -otomy help distinguish the test from the treatment.
Cardiovascular Tests and Procedures
Read the suffix to separate tests from treatments
Cardiovascular procedure vocabulary can look dense because many terms share the same roots. The suffix tells you whether the term is a recording, image, procedure, repair, removal, or incision. Electrocardiography is the process of recording the heart's electrical activity. An electrocardiogram is the record itself. Echocardiography uses sound waves to image the heart. Angiography images vessels. Angioplasty repairs or opens a vessel.
A good medical-terminology habit is to ask: Is this term showing, recording, measuring, repairing, removing, or cutting into something? That one question prevents common mistakes on tests and in chart reading.
Recording and imaging terms
| Term | Word-part logic | What it means |
|---|---|---|
| electrocardiogram | electr/o + cardi/o + -gram | Record of the heart's electrical activity |
| electrocardiography | electr/o + cardi/o + -graphy | Process of recording heart electrical activity |
| ECG or EKG | Abbreviation | Common abbreviation for electrocardiogram |
| echocardiography | echo + cardi/o + -graphy | Ultrasound imaging of the heart |
| angiography | angi/o + -graphy | Imaging of vessels |
| arteriography | arteri/o + -graphy | Imaging of arteries |
| venography | ven/o + -graphy | Imaging of veins |
| Doppler ultrasound | flow-based ultrasound term | Evaluates movement of blood flow |
Do not confuse -gram and -graphy. A -gram is usually the record or image. -Graphy is the process of recording or imaging. This distinction appears in many systems, not just cardiovascular terms.
Monitoring and functional tests
| Test or term | Purpose in plain language | Terminology cue |
|---|---|---|
| telemetry | Remote monitoring | tele- means distant, -metry means measuring |
| Holter monitor | Ambulatory ECG monitor | Records rhythm over time |
| stress test | Heart assessment during exercise or medication stress | Evaluates response under demand |
| pulse oximetry | Oxygen saturation measurement | oximetry measures oxygen saturation |
| cardiac biomarkers | Blood markers of heart strain or injury | Troponin and BNP are common examples |
| lipid panel | Blood fats and cholesterol-related results | Atherosclerosis risk language |
Telemetry literally suggests distant measuring. In clinical use, it often means continuous or remote rhythm monitoring. A Holter monitor records rhythm over a period outside a single resting ECG. A stress test evaluates the heart under increased demand. These are not the same as angiography, which images vessels, or echocardiography, which images heart structures and function.
Blood tests tied to cardiovascular language
| Lab term | What it is often tied to | Terminology focus |
|---|---|---|
| troponin | Heart muscle injury evaluation | Cardiac biomarker term |
| BNP or NT-proBNP | Heart strain or heart failure evaluation context | Natriuretic peptide term |
| CBC | Blood cell evaluation | Hematology terms |
| PT/INR | Clotting pathway and anticoagulation monitoring context | Coagulation terms |
| aPTT | Clotting time test | Coagulation terms |
| D-dimer | Clot breakdown fragment | Thrombosis evaluation context |
| lipid panel | Cholesterol and triglyceride testing | Ather/o and atherosclerosis context |
A terminology exam may not ask you to interpret whether a value is normal. It may ask what category the test belongs to. Troponin is a cardiac biomarker. CBC is a blood cell panel. PT/INR and aPTT are clotting tests. Lipid panel relates to blood fats and cardiovascular risk language.
Interventions and procedures
| Procedure term | Decode | Plain meaning |
|---|---|---|
| angioplasty | angi/o + -plasty | Repair or opening of a vessel |
| stent placement | whole-word device term | Placing a small support device to keep a vessel open |
| PCI | Percutaneous coronary intervention | Catheter-based coronary intervention term |
| CABG | Coronary artery bypass grafting | Bypass surgery for coronary circulation |
| atherectomy | ather/o + -ectomy | Removal of plaque |
| ablation | whole-word procedure term | Destroying or removing targeted tissue, often for rhythm problems |
| pacemaker | device term | Device that helps control heart rhythm |
| ICD | Implantable cardioverter-defibrillator | Device for dangerous rhythm treatment context |
| valvuloplasty | valvul/o + -plasty | Repair or opening of a valve |
Percutaneous means through the skin. Coronary means related to the coronary arteries of the heart. Intervention means a treatment action. So PCI is a through-the-skin coronary intervention, commonly associated with catheter-based coronary treatment. CABG is different because it is bypass grafting.
Blood and vessel access procedures
| Term | Meaning | Common context |
|---|---|---|
| venipuncture | Puncture of a vein | Blood draw or IV access context |
| phlebotomy | Accessing or cutting into a vein | Blood draw practice |
| transfusion | Transfer of blood or blood component | Hematology and patient care context |
| catheterization | Placement of a catheter | Vascular, urinary, or cardiac context depending on term |
| cardiac catheterization | Catheter placement into heart or vessels | Diagnostic or interventional cardiac context |
Mastery standard
To master this section, translate each test or procedure into action language. ECG records electrical activity. Echocardiography images the heart with ultrasound. Angiography images vessels. Angioplasty repairs or opens a vessel. Atherectomy removes plaque. Phlebotomy accesses a vein for blood draw. If you can tell what is being measured, imaged, opened, removed, or monitored, you can answer most procedure-vocabulary questions.
Which term describes the process of recording the heart's electrical activity?
Which procedure term means repair or opening of a vessel?
Which test category best matches PT/INR and aPTT?