114 results
Drugs affecting the cardiac action potential. The sharp rise in voltage ("0") corresponds to the influx
to the sodium-channel ... voltage-sensitive calcium channels ... Antiarrhythmics #Classes ... #Effect #ActionPotentials
Budd Chiari Syndrome
Hepatic vein obstruction. Can be caused by thrombosis or sometimes a tumour. Can lead
Budd Chiari Syndrome ... Can be caused by ... #BuddChiari #Syndrome ... #Diagnosis #Causes ... #Signs #Symptoms
Brugada syndrome with non-sustained VT; sodium channel blocking drugs (e.g. amio, procainamide) can be dangerous here!

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Brugada syndrome ... non-sustained VT; sodium channel ... amalmattu #Brugada #syndrome ... #Electrocardiogram
Hypercalcemia - EKG Findings
Causes of Hypercalcemia 
• Malignancy 
• Milk-alkali syndrome 
• Vitamin D toxicity 
•
EKG Findings Causes ... • Milk-alkali syndrome ... Hypercalcemia #EKG #ECG #Electrocardiogram ... #Differential #Causes
Marfan Syndrome - Signs and Symptoms

- Caused by mutations in the fibrillin-1 (FBN1) Gene (chromosome 15)
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Marfan Syndrome ... - Signs and Symptoms ... - Caused by ... Dominant #Marfans #Syndrome ... #Diagnosis #Signs
Pemberton's Sign caused by a Retrosternal Thyroid Goiter

Elevating the arms causes the previously flat neck veins
Pemberton's Sign ... caused by a Retrosternal ... Elevating the arms causes ... superior vena cava syndrome ... #Pembertons #Sign
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Selective Serotonin Reuptake Inhibitors: Mechanisms and Side Effects
 • Serotonin Syndrome:
   - Autonomic Hyperactivity:
• Serotonin Syndrome ... - Cognitive Changes ... SSRI Withdrawal Syndrome ... Dizziness - Nausea ... Psychiatry #Diagnosis #Signs
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Rotator Cuff Syndrome ... Causes: Calcific ... supraspinatus tendinitis Signs ... Rotator #Cuff #Syndrome
Serotonin-Norepinephrine Reuptake Inhibitors(SNRIs): Mechanisms and Side Effects

Withdrawal: Dizziness, Diarrhea, Insomnia, Nausea, Vomiting
Serotonin Syndrome - Potentially Life
Diarrhea, Insomnia, Nausea ... Vomiting Serotonin Syndrome ... - Cognitive Changes ... gain Incr NE: Nausea ... Psychiatry #Diagnosis #Signs
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... angina; but T wave changes ... #Wellens #Sign # ... EKG #ECG #Electrocardiogram