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Commonly confused in nursing

DVT vs Pulmonary Embolism

A client with calf swelling yesterday now has sudden dyspnea and chest pain today — that DVT just migrated to the lungs. Mixing up leg-clot findings with lung-clot findings on the NCLEX means you miss the respiratory emergency and choose the wrong priority action.

Which One Is It?

1 / 4 · score 0

The finding: Unilateral leg edema, warmth, erythema

Side-by-side comparison

Side-by-side2 compared
Focus
Dimension
DVT
Pulmonary Embolism
Clot location & onset
  • Deep leg veins (femoral, popliteal)
  • Gradual onset over hours to days
  • Clot lodges in pulmonary arteries
  • Sudden onset — seconds to minutes
Key findings
  • ★Unilateral leg edema, warmth, erythema
  • Palpable cord
  • Calf pain or tenderness
  • ★Sudden dyspnea + pleuritic chest pain
  • Tachypnea, tachycardia, anxiety/doom
  • Hemoptysis
Diagnostics & vitals
  • Compression duplex ultrasound
  • Lungs clear, SpO₂ normal, stable VS
  • ↑ D-dimer
  • CT pulmonary angiography (CTPA)
  • ↑ D-dimer
  • ★Hypoxemia SpO₂ <94%
Nursing priorities
  • Elevate extremity
  • Ambulate once anticoagulated
  • Never massage the affected leg
  • High-flow O₂
  • High Fowler position
  • Prepare for possible code
Treatment
  • Anticoagulation: heparin → DOAC/warfarin
  • Often treated outpatient
  • Massive PE: tPA or embolectomy
  • Anticoagulation: heparin → DOAC/warfarin
Prevention & teaching
  • Early ambulation, SCDs
  • Prophylactic enoxaparin
  • Report new dyspnea or chest pain
  • Early ambulation, SCDs
  • IVC filter if can't anticoagulate
  • Prophylactic enoxaparin
Red flags — escalate
  • ★DVT + new dyspnea → suspect PE
  • Hypotension + RV strain = massive PE
Complications
  • Embolization to lungs (PE)
  • Post-thrombotic syndrome
  • Cardiac arrest (massive PE)
  • Right heart failure
Clot location & onset

DVT

  • Deep leg veins (femoral, popliteal)
  • Gradual onset over hours to days

Pulmonary Embolism

  • Clot lodges in pulmonary arteries
  • Sudden onset — seconds to minutes
Key findings

DVT

  • ★Unilateral leg edema, warmth, erythema
  • Palpable cord
  • Calf pain or tenderness

Pulmonary Embolism

  • ★Sudden dyspnea + pleuritic chest pain
  • Tachypnea, tachycardia, anxiety/doom
  • Hemoptysis
Diagnostics & vitals

DVT

  • Compression duplex ultrasound
  • Lungs clear, SpO₂ normal, stable VS
  • ↑ D-dimer

Pulmonary Embolism

  • CT pulmonary angiography (CTPA)
  • ↑ D-dimer
  • ★Hypoxemia SpO₂ <94%
Nursing priorities

DVT

  • Elevate extremity
  • Ambulate once anticoagulated
  • Never massage the affected leg

Pulmonary Embolism

  • High-flow O₂
  • High Fowler position
  • Prepare for possible code
Treatment

DVT

  • Anticoagulation: heparin → DOAC/warfarin
  • Often treated outpatient

Pulmonary Embolism

  • Massive PE: tPA or embolectomy
  • Anticoagulation: heparin → DOAC/warfarin
Prevention & teaching

DVT

  • Early ambulation, SCDs
  • Prophylactic enoxaparin
  • Report new dyspnea or chest pain

Pulmonary Embolism

  • Early ambulation, SCDs
  • IVC filter if can't anticoagulate
  • Prophylactic enoxaparin
Red flags — escalate

DVT

  • ★DVT + new dyspnea → suspect PE

Pulmonary Embolism

  • Hypotension + RV strain = massive PE
Complications

DVT

  • Embolization to lungs (PE)
  • Post-thrombotic syndrome

Pulmonary Embolism

  • Cardiac arrest (massive PE)
  • Right heart failure

★ marks the fact that sets a column apart.

Clinical Pearl

Swollen hot leg = DVT stays put. Sudden dyspnea + chest pain = the clot moved to the lungs.

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Read the full DVT vs Pulmonary Embolism learning module

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