Today we will share stuff related to Medical Audios. We will share Goljan Pathology Audio Lectures (Complete Lectures). Links to Download Audio Lectures are given bellow.
Content sample from Audio Lectures:
“1. Most imp: have to go into anaerobic glycolysis; end product is lactic acid (pyruvate is converted to lactate b/c of increased NADH); need to make NAD, so that the NAD can feedback into the glycolytic cycle to make 2 more ATP. Why do we have to use anaerobic glycolysis with tissue hypoxia? Mitochondria are the one that makes ATP; however, with anaerobic glycolysis, you make 2 ATP without going into the mitochondria. Every cell (including RBC’s) in the body is capable of
performing anaerobic glycolysis, therefore surviving on 2 ATP per glucose if you have tissue hypoxia. Mitochondrial system is totally shut down (no O2 at the end of the electron transport system – can only get 2 ATP with anaerobic glycolysis). Good news – get 2 ATP Bad news – build up of lactic acid in the cell and outside the cell (increased anion-gap metabolic acidosis with tissue hypoxia) due to lactic acidosis from anaerobic glycolysis. However, causes havoc inside the cell b/c increase of acid within a cell will denature proteins (with structural proteins messed up, the configuration will be altered); enzymes will be denatured, too. As a result, cells cannot autodigest anymore b/c enzymes are destroyed b/c buildup of acid. Tissue hypoxia will therefore lead to COAGULATION necrosis (aka infarction). Therefore, buildup of lactic acid within the cell will lead to Coagulation necrosis.
2. 2nd problem of lacking ATP: all ATP pumps are screwed up b/c they run on ATP. ATP is the power, used by muscles, the pump, anything that needs energy needs ATP. Na/K pump – blocked by digitalis to allow Na to go into cardiac muscle, so Ca channels open to increase force of contraction (therefore, sometimes you want the pump blocked), and sometimes you want to enhance it.
With no ATP, Na into the cell and it brings H20, which leads to cellular swelling (which is reversible). Therefore, with tissue hypoxia there will be swelling of the cell due to decreased ATP (therefore will get O2 back, and will pump it out – therefore it is REVERSABLE).
In true RBC, anaerobic glycolysis is the main energy source b/c they do not have mitochondria; not normal in other tissues (want to utilize FA’s, TCA, etc)”
Download Goljan Pathology Audio Lectures (Complete Lectures):
Cardiology: Link here
Cell injury: Link here
CNS-special senses: Link here
Endocrine: Link here
Fluid_Hemodynamic: Link here
Gastrointestinal: Link here
OB-Gyn: Link here
Hepatobiliary-pancrease: Link here
Inflammation: Link here
Muscoloskeletal: Link here
Nutrition_Neoplasia_Hematology: Link here
Renal: Link here
Respiratory: Link here
Skin: Link here
Link to Download Goljan USMLE Step 1 Audio Lectures 2020 is given bellow:
|Goljan Rapid Review Pathology|
|Goljan Audio (5 days)|
|Day 1Day 2|
|Goljan-High-Yield (Step 1 Remembered Questions)|
|Goljan Pathology Audio Transcripts|
|Goljan Pictures With Notes|
|Goljan Patho Qbank-Immunology.zip|
|Goljan Patho Qbank-Histology.zip|
|Goljan Patho Qbank-Biostatistics.zip|
|Goljan Patho Qbank-Pathology.zip|
|Goljan Patho Qbank-Microbiology.zip|
|Goljan Step 1 High Yields.apkg (Anki)|
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