Ravi Singh K @rav7ks
1.1M 733 353
Academic Hospitalist and Program Director @SinaiBmoreIMRes, Medicine clerkship director GW School of Medicine and Health Sciences RMC at Sinai, Clinical reasoning,Simulation and POCUS enthusiast - https://twitter.com/rav7ks
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diagnosis differential management hematology pulmonary rheumatology fever hiv syndrome aids cardiology dermatology leukemia abscess activation acute amiodarone aplastic bronchiectasis chronic
Fever Patterns - Differential Diagnosis Framework Continuous Fever: Temp > 38°C with only 1 degree fluctuation in 24
Acute bacterial endocarditis ... • Infective endocarditis ... schistosomiasis • Pyemia ... Causes: • Still's ... Brucellosis • Liver or lung
Lung Abscess - Diagnosis and Management Summary Lung Abscess Etiology: • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Leukocytosis, anemia ... hemorrhage • Treatment ... #differential #causes
Endocarditis Summary Who? Infectious: • Pre-existing valvular disease • Prosthetic valve • Congenital heart disease • IV substance use • IV catheter • Recent
Infectious: • Pre-existing ... devices (CIED) Non-Infectious ... verrucous) • Lung ... Septic Emboli Cause ... Leukocytosis, anemia
Ear Pain (Otalgia) - Differential Diagnosis Framework Primary Otalgia - Pain that originates from the ear
associated with infection ... by bacterial infections ... (90%), Fungal infections ... subdural hematoma, lung ... Otalgia #Ear #Pain #Otology
Aplastic Anemia - Overview Who? • M = F • 3 peaks: 1) Childhood 2) 15-25 years 3) >60 years What? • Aplastic anemia
Neutropenia - recurrent infections ... and petechiae Causes ... Idiopathic • Infections ... Treatment: ... #oncology #hematology
Common Variable Immunodeficiency (CVID) What? CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... disease • Infectious ... lymphocytic interstitial lung ... autoimmune hemolytic anemia ... DDX - Other causes
Nontuberculous Mycobacteria (NTM) Infections Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Mycobacteria (NTM) Infections ... status NTM Cause ... infections • ... Bone Marrow - Anemia ... differential #diagnosis #infectiousdiseases
Purpura - Differential Diagnosis Framework Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
• Secondary Causes ... - Hemolytic anemia ... SLE) - Viral infections ... APLS • Acute Infectious ... • Bacterial endocarditis
Endocarditis - Overview and Differential Diagnosis Framework Who? Infectious: • Pre-existing valvular disease • Prosthetic valve • Congenital heart disease • IV
, verrucous) - Lung ... Septic emboli cause ... Leukocytosis, anemia ... hematuria, + RF Treatment ... Diagnosis #cardiology #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework Disease by CD4 Count: Any CD4 Count: • Mycobacterium tuberculosis,
Lung Infections ... factor • May cause ... ), anemia, arthralgia ... #Infections #HIV ... differential #diagnosis #infectiousdiseases
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