Conduction Blocks at the AV Node (AV Blocks) [With Examples]
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When there are conduction problems at the AV node or bundle of His, conduction of impulses between the atria and ventricles is affected. This can take several forms or ‘degrees’.…
ECG Case 8
78 Years Old Woman recieved treatment for Atrial Fibrillation. What is the rhythm after recieving treatment ?
Antibiotics acting on DNA
Antibiotics acting on DNA
Deoxyribonucleic acid (DNA) serves as a template for the synthesis of nucleic acids. Ribonucleic acid (RNA) executes protein synthesis and thus permits cell growth. Synthesis of new DNA is a…
Unilateral Leg Swelling and Bluish Discoloration
Unilateral Leg Swelling and Bluish Discoloration An 85-year-old woman with newly diagnosed metastatic non–small-cell lung cancer was admitted for pain control. Two days after admission, unilateral leg swelling and bluish…
ECG Interpretation: All you need to know
Approach all EKGs systemically. Always note: rate, rhythm, QRS axis, complexes and intervals, chamber enlargement, ischemia/infarction, compare with prior EKG.
Atypical Presentations of Acute Coronary Syndrome (ACS)
The classic presentation of an acute coronary syndrome (ACS) is that of an older age male smoker with hypertension who reports exertional chest pressure that radiates to the left upper…
ECG Case 7
63 Old Women presented with palpitations and this ECG. What abnormalities do you see and what is the rhythm ?
Vertigo Algorithm and Differential Diagnosis
The Approach (Questions): Is the dizziness true vertigo? If so, is it central or peripheral vertigo? Is the vertigo intermittent - likely benign? Constant vertigo is either acute peripheral vestibulopathy (APV) or a posterior circulation/cerebellar CVA
Antibiotics – Inhibitors of Tetrahydrofolate Synthesis
Antibiotics - Inhibitors of tetrahydrofolate synthesis
Most bacteria do not have a requirement for folate, because they are capable of synthesizing folate, more precisely dihydrofolate DHF, from precursors. Selective interference with bacterial synthesis of Tetrahydrofolate (THF) can be achieved with sulfonamides and trimethoprim.
Intraosseous (IO) access
Intraosseous (IO) access can serve as a lifesaving alternative to intravenous (IV) access, especially in the crashing hypovolemic patient. The noncollapsible medullary space of bone is a reliable entry point into the vascular system in patients with difficult or delayed IV access.
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