11 results
Live Ectopic Pregnancy on Transvaginal POCUS

Young female patient, severe abdominal pain. +preg test. Pelvic exam followed
pain. ... +preg test. ... an IUP or not. #2 ... #clinical #obgyn ... #obstetrics
Ruptured Tubal Ectopic Pregnancy on Pelvic Ultrasound

Young female.  Lower abdominal pain/VB.  UCG pos. Soft
Lower abdominal ... pain/VB. ... Diagnosis/differential ... Don't assume that acute ... #OBGyn #Obstetrics
Acute Fatty Liver of Pregnancy (AFLP)
Pathophysiology:
 • Defect in fetal free fatty acid metabolism products →
nausea, vomiting, abdominal ... pain, headache, ... infiltration) Differential ... Pregnancy #hepatology #obstetrics ... #obgyn #diagnosis
Low Back Pain (Lumbago) - Common Differential Diagnosis and Patterns

Mechanical Low Back Pain:
Aching pain in the
) - Common Differential ... Usually acute (< ... 3 months), idiopathic ... Pain vague but usually ... Accounts for —2%
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
retro-orbital pain ... positive tourniquet test ... transmission, with acute ... Intense abdominal ... classification #diagnosis
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... or sed rate): Value ... very remarkable w/differential ... the “Chewing gum test ... 3 minutes of gum
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
= incidence in acute ... deviation: 1 (68%) – 2 ... (95%) – 3 (99.7% ... how related two values ... #calculations #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
than 50/μL) 2. ... Hematologic malignancy 3. ... enzymes, diarrhea, abdominal ... pain, hepatomegaly ... NTM #Infections #differential
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... to bolus these values ... tests before beginning ... cardiac output - Acute ... peritonitis - Acute
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... Rhinocerebral 2) ... Pulmonary 3) Abdominal ... , chest pain • ... Sinusitis • Brain abscess