1. Cardio-: Related to the heart (e.g., cardiology, cardiovascular).

2. Angio-: Relating to blood vessels (e.g., angiogram, angiology).

3. Arterio-: Referring to arteries (e.g., arteriosclerosis, arteritis).

4. Ven-: Pertaining to veins (e.g., venous, venectomy).

5. Hem- or Hemo-: Related to blood (e.g., hemoglobin, hemophilia).

6. Thrombo-: Relating to clot or clotting (e.g., thrombosis, thrombus).

7. Aorto-: Relating to the aorta (e.g., aortitis, aortography).

8. Vaso-: Pertaining to vessels (e.g., vasodilation, vasoconstriction).

9. Brady-: Slow (e.g., bradycardia, bradyarrhythmia).

10. Tachy-: Fast (e.g., tachycardia, tachypnea).

11. Pre-: Before (e.g., prehypertension, precordial).

12. Endo-: Inside, within (e.g., endocardium, endovenous).

13. Exo-: Outside (e.g., exocardial).

14. Inter-: Between (e.g., intercostal, interventricular).

15. Hyper-: Excessive or above normal (e.g., hypertension, hyperlipidemia).

16. Hypo-: Below normal (e.g., hypotension, hypoxia).

Nervous System Prefixes:

17. Neuro-: Relating to nerves or the nervous system (e.g., neurology, neurotoxin).

18. Encephalo-: Referring to the brain (e.g., encephalitis, encephalopathy).

19. Myelo-: Pertaining to the spinal cord or bone marrow (e.g., myelopathy, myelitis).

20. Psycho-: Related to the mind (e.g., psychology, psychosomatic).

21. Electro-: Relating to electricity (e.g., electroencephalogram, electrophysiology).

Cardiovascular System Suffixes:

1. -emia: Blood condition (e.g., anemia, ischemia).

2. -cardia: Relating to the heart (e.g., bradycardia, tachycardia).

3. -itis: Inflammation (e.g., endocarditis, arteritis).

4. -ology: Study of (e.g., cardiology, angiologogy).

5. -ectomy: Removal or excision (e.g., angiectomy, phlebectomy).

6. -gram: A record or image (e.g., angiogram, electrocardiogram).

7. -graphy: Process of recording or imaging (e.g., angiography, echocardiography).

8. -plasty: Surgical repair (e.g., angioplasty, bypass surgery).

9. -pathy: Disease or disorder (e.g., cardiomyopathy, neuropathy).

10. -stenosis: Narrowing (e.g., stenosis, aortic stenosis).

11. -sclerosis: Hardening (e.g., arteriosclerosis, multiple sclerosis).

12. -oma: Tumor or growth (e.g., lipoma, hemangioma).

13. -tachy: Fast (e.g., tachycardia, tachypnea).

14. -brady: Slow (e.g., bradycardia, bradypnea).

15. -pnea: Breathing (e.g., apnea, dyspnea).

16. -vascular: Related to blood vessels (e.g., cardiovascular, avascular).

17. -rrhaphy: Surgical suturing (e.g., phleborrhaphy).

18. -phobia: Fear (e.g., anginophobia—fear of chest pain).

19. -cyte: Cell (e.g., erythrocyte, leukocyte).

20. -emia: Blood condition (e.g., hyperemia, hypoxemia).

21. -fusion: Joining or merging (e.g., perfusion, transfusion).

Nervous System Suffixes:

22. -algia: Pain (e.g., neuralgia, myalgia).

23. -opia: Vision condition (e.g., myopia, presbyopia).

24. -phasia: Speech (e.g., aphasia, dysphasia).

25. -plegia: Paralysis (e.g., paraplegia, quadriplegia).

26. -pathy: Disease or disorder (e.g., neuropathy, encephalopathy).

27. -kinesia: Movement (e.g., bradykinesia, dyskinesia).

28. -tonia: Tension or tone (e.g., hypotonia, hypertonia).

29. -esthesia: Sensation (e.g., anesthesia, hyperesthesia).

30. -otomy: Cutting or incision (e.g., lobotomy, craniotomy).

31. -tomy: Surgical incision (e.g., neurotomy, craniotomy).

32. -ectomy: Removal (e.g., lobectomy, neuroectomy).

33. -graph: Instrument for recording (e.g., electroencephalograph).

34. -mania: Obsessive or excessive (e.g., megalomania, bibliomania).

35. -phoria: Sensory or emotional state (e.g., euphoria, dysphoria).

Cardiovascular System Word Roots:

1. Cardi/o: Heart (e.g., cardiology, cardiogram).

2. Angi/o: Blood vessel (e.g., angiography, angioplasty).

3. Arteri/o: Artery (e.g., arteriosclerosis, arteritis).

4. Ven/o: Vein (e.g., venous, venectomy).

5. Phleb/o: Vein (e.g., phlebitis, phlebectomy).

6. Aort/o: Aorta (e.g., aortic, aortography).

7. Coron/o: Heart (e.g., coronary artery, coronary bypass).

8. Thromb/o: Clot (e.g., thrombosis, thrombophlebitis).

9. Hem/o or Hemat/o: Blood (e.g., hemoglobin, hematology).

10. Sphygm/o: Pulse (e.g., sphygmomanometer).

11. Arter/o: Artery (e.g., arteriole, arteritis).

12. Vas/o: Vessel (e.g., vasodilation, vasectomy).

13. Venul/o: Small vein (e.g., venule, venulitis).

14. Myocardi/o: Heart muscle (e.g., myocardium, myocardial infarction).

15. Endocard/o: Inner layer of the heart (e.g., endocardium, endocarditis).

16. Epicardi/o: Outer layer of the heart (e.g., epicardium).

17. Pericardi/o: Pericardium (e.g., pericarditis, pericardial effusion).

18. Aneurysm/o: Aneurysm (e.g., aneurysmal rupture).

19. Capill/o: Capillary (e.g., capillary bed, capillaries).

20. Lymph/o: Lymph (e.g., lymphatic, lymphocytes).

Nervous System Word Roots:

21. Neur/o: Nerve (e.g., neurology, neurotoxin).

22. Encephal/o: Brain (e.g., encephalitis, encephalopathy).

23. Myel/o: Spinal cord or bone marrow (e.g., myelitis, myelopathy).

24. Cerebr/o: Brain, cerebrum (e.g., cerebral, cerebrospinal).

25. Cerebell/o: Cerebellum (e.g., cerebellar ataxia).

26. Mening/o: Meninges (e.g., meningitis, meningioma).

27. Radicul/o: Nerve root (e.g., radiculopathy, radiculitis).

28. Gangli/o: Ganglion (e.g., ganglion cyst, ganglioma).

29. Psych/o: Mind (e.g., psychology, psychosomatic).

30. Cognit/o: Cognition, knowing (e.g., cognitive, cognitive function).

31. Synapt/o: Synapse (e.g., synaptic transmission).

32. Cortic/o: Cortex (e.g., cortical, corticospinal).

33. Somat/o: Body (e.g., somatic, somatosensory).

34. Esthes/o: Sensation, feeling (e.g., anesthesia, hyperesthesia).

35. Ton/o: Tone, tension (e.g., tonicity, dystonia).

36. Caus/o: Burning (e.g., causalgia).

37. Phren/o: Mind or diaphragm (e.g., schizophrenia, phrenic nerve).

38. Cerebr/o: Brain (e.g., cerebral, cerebrospinal).

39. Opt/o: Eye or vision (e.g., optometrist, optic nerve).

40. Mnem/o: Memory (e.g., amnesia, mnemonic).

41. Electr/o: Electricity (e.g., electroencephalogram, electrophysiology).

42. Glia: Glue or supportive tissue (e.g., neuroglia, glioma).

Cardiovascular System Abbreviations:

1. ACLS - Advanced Cardiovascular Life Support

2. AED - Automated External Defibrillator

3. AF - Atrial Fibrillation

4. BP - Blood Pressure

5. CAD - Coronary Artery Disease

6. CHF - Congestive Heart Failure

7. COPD - Chronic Obstructive Pulmonary Disease

8. ECG or EKG - Electrocardiogram

9. EMT - Emergency Medical Technician

10. HTN - Hypertension

11. MI - Myocardial Infarction (Heart Attack)

12. PAD - Peripheral Artery Disease

13. PVC - Premature Ventricular Contraction

14. SVT - Supraventricular Tachycardia

15. TIA - Transient Ischemic Attack (Mini Stroke)

16. V-fib - Ventricular Fibrillation

17. V-tach - Ventricular Tachycardia

18. ICD - Implantable Cardioverter Defibrillator

Nervous System Abbreviations:

19. CNS - Central Nervous System

20. CSF - Cerebrospinal Fluid

21. CT - Computed Tomography (often used for brain imaging)

22. EEG - Electroencephalogram

23. EMG - Electromyography

24. GCS - Glasgow Coma Scale

25. MS - Multiple Sclerosis

26. MRI - Magnetic Resonance Imaging

27. NCV - Nerve Conduction Velocity

28. TBI - Traumatic Brain Injury

29. ALS - Amyotrophic Lateral Sclerosis (also known as Lou Gehrig's Disease)