16 results
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Atrial flutter ... 1 , 3:2, 4:3, etc ... 4:1, etc. - DANGER ... electrocardiogram #cardiology ... #differential
Coronary Artery Embolism - Etiology and Scoring
Etiology:
 • Direct: Clot (LV thrombus, LAA Thrombus), Valve (Vegetation,
non-culprit vessels • Atrial ... Major + 1 Minor ... Criteria) OR (2 ... Embolism #diagnosis #differential ... scoring #criteria #cardiology
Atrial Fibrillation (A-Fib) Summary

Symptoms:
• Palpitations, light-headedness, dizziness, dyspnea, exercise intolerance, chest pain, near-syncope, syncope.

Why?
Cardiac:
	• Valvular heart
Noncardiac: • Pulmonary ... thrombus • Digoxin ... Cardioversion 1. ... cardioversion 2. ... diagnosis #management #cardiology
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
• ElA ratio << 1 ... Differentiating #PAH #PVH #Echocardiogram ... #comparison #diagnosis ... #cardiology #pulmonary ... #arterial #venous
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
with and without contrast ... material 20 mSv ... with and without contrast ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison
Negative Contrast Effect in Right Atrium - Differential Diagnosis
1. Small secundum ASD or PFO with left
Negative Contrast ... Diagnosis 1. ... to right shunt 2. ... #Diagnosis #cardiology ... #clinical #echocardiogram
Rheumatic Heart Disease - Mitral Stenosis on Echocardiogram
(1) Thickened and fibrosed MV leaflets - rheumatic etiology
(1) Thickened ... (2) Lvef 25-30% ... spontaneous echo contrast ... (7) patient in atrial ... #a4c #thrombus
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Differential diagnosis ... septal thickening: 1. ... known carcinoma. 2. ... #Clinical #Radiology ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
nodular pattern. 1. ... centrilobular nodules. 2. ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
liver disease 2. ... Prolonged Activated Partial ... deficiencies: Contact ... drugs e.g. direct thrombin ... Causes #diagnosis #differential